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April 24, 2014

Search: . A parallel-plate capacitor has plates of area 0.24 m2 separated by a distance of 0.005 m. What is the strength of the electric field between these plates when this capacitor is connected to a 5-V battery?

Number of results: 4,541

College Physics
A 12.0- A 12.0- A 12.0-V battery remains connected to a parallel plate capacitor with a plate area of 0.204m^2 and a plate separation of 3.14mm . What is the charge on the capacitor? Q = C How much energy is stored in the capacitor? Uc = J What is the electric field between ...
Sunday, January 31, 2010 at 4:36pm by Lanise

physics parallel plate
A proton traveling at a speed 1.0*106 m/s of enters the gap between the plates of a 2.0-cm-wide parallel-plate capacitor. The surface charge densities on the plates are 1*10^-6 C/m2. How far has the proton been deflected when it reaches the far edge of the capacitor? Assume ...
Monday, August 17, 2009 at 7:33pm by Anonymous

physics
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.3 cm, and the electric field within the capacitor has a magnitude of 2.7 x 106 V/m. What ...
Sunday, September 18, 2011 at 6:47pm by kim taylor

Physics
An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.4 cm, and the electric field within the capacitor has a magnitude of 3.5 106 V/m. What is ...
Wednesday, February 1, 2012 at 10:50am by Anne

physics
The drawing shows a parallel plate capacitor that is moving with a speed of 30 m/s through a 3.1 T magnetic field. The velocity vector v is perpendicular to the magnetic field. The electric field within the capacitor has a value of 170 N/C, and each plate has an area of 7.5 10...
Wednesday, February 26, 2014 at 12:07am by Dee

physics
An air-filled parallel plate capacitor has a plate separation of 0.6 cm, and an area 179 mm2. In femto-farads (fF), what is the capacitance of this capacitor?
Thursday, March 3, 2011 at 10:52pm by crystal

HELP dielectric
Energy of a Capacitor in the Presence of a Dielectric A dielectric-filled parallel-plate capacitor has plate area A = 30.0 cm^2, plate separation d = 10.0 mm and dielectric constant k = 5.00. The capacitor is connected to a battery that creates a constant voltage V = 7.50 V. ...
Monday, December 14, 2009 at 4:47pm by physics help

physics
The plates of a parallel plate capacitor are separated by a distance of 1.2cm, and the electric field within the capacitor has a magnitude of 2.1x 10^6 V/m. An electron starts from rest at the negative plate and accelerates to the positive plate. What is the kinetic energy of ...
Thursday, July 10, 2008 at 11:44am by H

Physics
a parallel plate capacitor, 10F with air between its plate is connected to a 50 volt source and then disconnected. a)What is the charge on the capacitor and the potential difference across it.
Monday, April 16, 2012 at 2:42am by Bukola

Physics
Two parallel plate capacitors have circular plates. The magnitude of the charge on these plates is the same. However, the electric field between the plates of the first capacitor is 2.2e5 N/C, while the field within the second capacitor is 3.8e5 N/C. Determine the ratio r_2/...
Thursday, August 30, 2007 at 4:32pm by Mary

physics
I have no clue: Two parallel plate capacitors have circular plates. The magnitude of the charge on these plates are the same. However, the electric field between the plates of the first capacitor is 2.2 x 10^5 N/C, while the field within the second capacitor is 3.8x 10^5 N/C. ...
Tuesday, July 1, 2008 at 10:45pm by H

Physics
Two parallel plate capacitor of capacitant, two microfarad &three microfarad are connec ted in parallel and d combination is 50V direct current. Draw d circuit diagram of arrangement and determine d following (i)charge on either plate of each capacity. (ii)p.d across d each ...
Wednesday, March 6, 2013 at 3:22pm by Ollyjay

College physics
Two 2.4 cm diameter disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.310^5 V/m. What is the voltage across the capacitor? How much charge is on each disk? An electron is launched from the negative plate. It strikes the ...
Wednesday, July 14, 2010 at 7:00pm by Emoni

Physics
Two charges are placed between the plates of a parallel plate capacitor. One charge is +q1 and the other is q2= +5.00x10^-6 C . The charge per unit area on each plate has a magnitude of sigma=1.30 x 10^-4 C/m^2. The force on q1 due to q2 equals the force on q1 due to the ...
Wednesday, February 6, 2008 at 7:15pm by Trevor

Physics
Two charges are placed between the plates of a parallel plate capacitor. One charge is +q1 and the other is q2= +5.00x10^-6 C . The charge per unit area on each plate has a magnitude of sigma=1.30 x 10^-4 C/m^2. The force on q1 due to q2 equals the force on q1 due to the ...
Wednesday, February 6, 2008 at 7:29pm by Trevor

Physics #48
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is σ = 1.67 10-7 C/m2, and the plate separation is 1.35 10-2 m. How fast is the electron moving just before it reaches the positive plate? Answer ...
Friday, January 25, 2013 at 1:30am by Elizabeth

Physics
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is σ = 1.67 10-7 C/m2, and the plate separation is 1.35 10-2 m. How fast is the electron moving just before it reaches the positive plate? Answer ...
Monday, January 28, 2013 at 1:33am by Jasmine

Capacitor
A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is the charge on the ...
Sunday, November 4, 2012 at 12:58am by andrew

Physics
an electron is launched at a 30 degree angle with respect to the horizontal and a speed of 3.0*10^6 m/s from the positive plate of the parallel plate capacitor. THe plats of the capacitor are oriented horizontally. The electron lands 5 cm away from the point of release. a) ...
Tuesday, April 27, 2010 at 1:02pm by Jordie

Physics
The potential difference between the plates of a parallel plate capacitor is 35 V and the electric field between the plates has strength of 750 V/m. If the plate area is 4.0 10-2 m2, what is the capacitance of this capacitor?
Wednesday, February 9, 2011 at 9:21pm by Rusty

physics
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is = 2.6 x 10-7 C/m2, and the plates are separated by a distance of 1.4 x 10-2 m. How fast is the electron moving just before it reaches the positive ...
Saturday, March 19, 2011 at 4:00pm by Amy

physics
This question has me stumped because I am not really sure about the capacitor. "Imagine a free electron and a free proton held midway between the plates of a charged parallel plate capacitor. When released, how do their accelerations and directions of travel compare? If we ...
Monday, April 30, 2012 at 4:34pm by Jan

physics
The magnitude of the electric field between two plates of a parallel plate capacitor is 2.410^5 N/C. Each plate carries a charge whose magnitude is o.15 mC. What is the area of each plate?
Sunday, February 14, 2010 at 7:04pm by jane e.

physics
The magnitude of the electric field between the plates of a parallel plate capacitor is 3.0X10^5 N/C. Each plate carries a charge whose magnitude is 0.17 C. What is the area of each plate?
Sunday, January 30, 2011 at 1:51pm by hearttyy

Physics
The figure shows an electron entering a parallel-plate capacitor with a speed of 5.65106 . The electric field of the capacitor has deflected the electron downward by a distance of 0.618 at the point where the electron exits the capacitor.
Thursday, February 2, 2012 at 7:48pm by Nas

Physics
A parallel plate capacitor has a capacitance of 1.71 nF. There is a charge of 0.809 μC on each plate.
Tuesday, January 31, 2012 at 10:19pm by Ashley

Physics. Speed of electron...
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is = 1.5 x 10-7 C/m2, and the plates are separated by a distance of 1.4 x 10-2 m. How fast is the electron moving just before it reaches the positive ...
Tuesday, February 10, 2009 at 10:29pm by Sarah

Capacitors
A parallel plate capacitor has area of 2cm^2 and a plate separation of 1mm. Find capacitance.
Sunday, April 22, 2012 at 3:31pm by Anonymous

physics
The magnitude of the electric field between the plates of a parallel plate capacitor is 3.0X10^5 N/C. Each plate carries a charge whose magnitude is 0.17 C. What is the area of each plate? can someone please work with it in numbers!!
Sunday, January 30, 2011 at 2:08pm by hearttyy

Physics
(a) Find the capacitance of a parallel-plate capacitor made of two 5 cm5 cm square plates separated by 1 mm. (b) If 50 V is applied to this capacitor, how much energy is stored?
Tuesday, September 4, 2012 at 11:20am by Amanda

Physics
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and a cloud at an altitude of 590 m to be the other plate. Assume the surface area of the cloud to be the same as the area of a square that is 0.50 km on a side. (a) What is the ...
Sunday, February 24, 2013 at 9:05pm by Valerie

Physics
An air-filled parallel plate capacitor has a plate separation of b = 0.58 cm, and an area A = 280 mm2. Find its capacitance
Saturday, March 6, 2010 at 8:54am by Susie

Physics
A certain substance has a dielectric constant of 2.8 and a dielectric strength of 18.0 MV/m. If it is used as the dielectric material in a parallel-plate capacitor, what minimum area should the plates of the capacitor have to obtain a capacitance of 7.0010-8 F and to ensure ...
Thursday, February 14, 2013 at 9:44pm by Nicole

Physics
A parallel-plate capacitor consists of two square plates 18 Cm on a side, spaced 0.50 mm apart with only air between them. What is the maximum energy that can be stored by the capacitor?
Monday, September 12, 2011 at 5:24pm by Paige

Physics
A q = +3.00 mC test charge is placed inside a constant uniform electric field created in a parallel plate capacitor connected to a battery of unknown voltage. The capacitor is made of two parallel plates each with area equal to 0.250 m2 separated by a distance of 0.0400 m ...
Thursday, June 20, 2013 at 10:00pm by ALex

Capacitance
A parallel plate capacitor with plates of area 320 cm.^2 is charged to a potential difference V and is then disconnected from the voltage source. When the plates are moved 0.3 cm. farther apart, the voltage between the plates is increased by 152 V. What is the charge on the ...
Saturday, November 3, 2012 at 1:42pm by andrew

physics
An electron is released at the negative plate of a parallel plate capacitor and accelerates to the positive plate a) as the electron gains kinetic energy, does its electric potential energy increase or decrease? Why?
Thursday, July 10, 2008 at 11:47am by H

Physics
The equipotential lines inside a parallel plate capacitor a) circles clockwise b)circles counterclockwise c)radiates inwards d)radiates outwards e)runs parallel to capacitor plates f)runs perpendicular to capacitor plates I have narrowed it down to either e) or f) but I think ...
Friday, April 4, 2008 at 4:32pm by Andrea

Physic II
Explain why you expect to find that the amount of charge a battery can pump onto a parallel plate capacitor will be cut in half if the distance between each plate doubles.
Thursday, March 13, 2014 at 10:20am by Huline

Physics
A parallel plate air capacitor of capacitance 245pF has a charge of magnitude 0.148C on each plate. The plates are 0.328mm apart. (a) What is the potential difference between the plates? (b) What is the area of each plate? (c) What is the electric field magnitude between the ...
Friday, June 10, 2011 at 1:30am by Rohan Khan

12th grade
A certain parallel plate capacitor consists of two identical aluminium plates each of area 2times 10^-4 m^2.the plates are seperated by a distance of 0,03mm, with air occupying the space between the plates. 1-CALCULATE THE CAPACITANCE OF THE CAPACITOR. AND 2-CALCULATE THE ...
Sunday, October 10, 2010 at 7:27pm by Masixole4Lydia

Physic
Capacitors in parallel: Give as clear as explanation as possible as to why it is physically reasonable to expect that two identical parallel plate capacitors are placed in parallel ought to have twice the capacitance as one capacitor.
Sunday, March 30, 2014 at 7:04pm by ikine4

physics - capacitors
Capacitors C1 = 5.0 F and C2 = 2.0 F are charged as a parallel combination across a 150 V battery. The capacitors are disconnected from the battery and from each other. They are then connected positive plate to negative plate and negative plate to positive plate. Calculate ...
Saturday, July 10, 2010 at 11:39pm by lo

physics
The plates of a parallel plate capacitor each have an area of 0.40 m2 and are separated by a distance of 0.02 m. They are charged until the potential difference between the plates is 3000 V. The charged capacitor is then isolated. How much work is required to move a 4.0 C ...
Thursday, October 12, 2006 at 1:02pm by kevin

physics
After a parallel-plate capacitor is charged by a battery, it is disconnected from the battery and its plate separation is increased. Which of the following statements is correct?
Friday, January 29, 2010 at 8:19am by Cal

Physics
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.04 A. Consider a point P on the plane which is equally distant from the two ...
Tuesday, April 9, 2013 at 2:33pm by abdul rahman

Physics
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.04 A. Consider a point P on the plane which is equally distant from the two ...
Saturday, April 13, 2013 at 12:05pm by tanvir ali

physics
A parallel plate capacitor has square plates of side L= 12 cm and a distance d= 2 cm between the plates. Half of the capacitor areae is filled with a dielectric with k1 = 35. the other half is filled with a different dielectric with k2 = 8. The effective( equivalent ...
Tuesday, November 22, 2011 at 9:18pm by Jam

Physics
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...
Monday, February 6, 2012 at 7:43pm by Jeff

Physics
As a crude model for lightning, consider the ground to be one plate of a parallel-plate capacitor and the cloud to be the other plate. The altitude of the cloud is 600m and its area is 6.5 km2. How much charge can the cloud hold before the dielectric strength of air is ...
Sunday, February 10, 2013 at 8:39pm by Youssef

physics
An air filled parallel plate capacitor has plates of area 0.0406 m^2 and seperation of 2.5*10^-6 m. a)What is the capacitence for the setup? b)Our capacitor is connected to a 550 v battery, how much energy is stored in the capacitor? c) If -1 mJ of work is performed by the ...
Thursday, February 7, 2008 at 9:54pm by jenish

physics
An air filled parallel plate capacitor has plates of area 0.0406 m^2 and seperation of 2.5*10^-6 m. a)What is the capacitence for the setup? b)Our capacitor is connected to a 550 v battery, how much energy is stored in the capacitor? c) If -1 mJ of work is performed by the ...
Friday, February 8, 2008 at 9:52pm by Kwang hu111

physics
An air filled parallel plate capacitor has plates of area 0.0406 m^2 and seperation of 2.5*10^-6 m. a)What is the capacitence for the setup? b)Our capacitor is connected to a 550 v battery, how much energy is stored in the capacitor? c) If -1 mJ of work is performed by the ...
Saturday, February 9, 2008 at 7:52pm by Kwang hu111

Physics
what potential difference U is needed such that a point charge (q) between a parralel plate capacitor leaves it at the upper right corner. the capacitor is seperated by a distance "d" and the length of each plate is "l"
Saturday, September 25, 2010 at 12:44pm by Rohan

Physics
The plates of a parallel-plate capacitor are separated by 0.303 mm. If the material between the plates is air, what plate area is required to provide a ca- pacitance of 3.78 pF ? The permittivity of a vacuum is 8.8542 10−12 F/m. Answer in units of m2
Wednesday, June 26, 2013 at 11:08pm by Anonymous

Physic II
Consider the attraction and repulsion of different types of charge. a) Explain why you expect to find that the amount of charge a battery can pump onto a parallel plate capacitor will double if the area of each plate doubles.
Thursday, March 13, 2014 at 10:18am by Guline

physics please help!!
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Select true or false for each statement. 1) With the capacitor connected to ...
Monday, February 6, 2012 at 8:17pm by archi

Physics
(a) If you use two quarters 2.00 mm apart to make a parallel plate capacitor, what is its capacitance? Measure the necessary quantities. (b) If you connect your capacitor in part (a) across 12 V potential difference, how much excess charge will flow onto each quarter? I am ...
Wednesday, January 30, 2008 at 5:00pm by J

Physics
An air filled parallel plate capacitor initially has a capacitance of C = 4.57 nF. Then the air gap between the plates is filled with two different dielectric materials with equal volume but with relative permittivities of 1 = 3.68 and 2 = 9.23 respectively. In the first ...
Sunday, June 17, 2012 at 7:23pm by Anonymous

Physics
Three parallel plate capacitors (C1,C2 and C3 ) are in series with a battery of 100 V. C1=2500 micro Farad; C2=2C1 , C3=3C1 . (a) What is the potential difference over each capacitor and how much charge is on each capacitor? Across C1 :V1 (in Volts) = incorrect Q1 (in C) = ...
Wednesday, March 13, 2013 at 12:19am by P

physics
An axon is the relatively long tail-like part of a neuron, or nerve cell. The outer surface of the axon membrane is charged positively, and the inner surface is charged negatively. The membrane itself has a dielectric constant k ~ 5 and a thickness d ~ 10−8 m. Thus the ...
Thursday, February 11, 2010 at 2:04pm by edd

gen physics II
Very large capacitors have been considered as a means for storing electrical energy. If we constructed a very large parallel-plate capacitor of plate area 1.0 m2 using paper (k= 3.7) of thickness 1.0 mm as a dielectric, how much electrical energy would it store at a plate ...
Monday, July 26, 2010 at 6:44am by Alinkashia

Physics
Two plates, each of area 3.40*10-4 m2, are used to construct a parallel-plate capacitor with capacitance 1.20 pF. (a) Find the necessary separation distance. d = ?m (b) If the positive plate is to hold a charge of 4.70* 10-12 C, find the charge density. σ = ?C/m2 (c) Find...
Friday, September 17, 2010 at 12:25am by Max

Physics
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...
Thursday, February 14, 2013 at 9:45pm by Nicole

Physics
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...
Thursday, February 14, 2013 at 10:07pm by Nicole

Physics
A parallel-plate capacitor is constructed from two circular metal plates or radius R. The plates are separated by a distance of 1.2mm. 1. What radius must the plates have if the capacitance of this capacitor is 1.1 uF? 2. If the separation between the plates is increased, ...
Sunday, February 20, 2011 at 3:38pm by Jon

Physics
A parallel-plate capacitor is constructed from two circular metal plates or radius R. The plates are separated by a distance of 1.2mm. 1. What radius must the plates have if the capacitance of this capacitor is 1.1 uF? 2. If the separation between the plates is increased, ...
Monday, February 21, 2011 at 1:39pm by Jon

physics
A parallel-plate capacitor is formed from two 1.0{\rm cm} \times 1.0{\rm cm} electrodes spaced 2.8{\rm mm} apart. The electric field strength inside the capacitor is 1.0\times10^{6}{N/C}} part a What is the charge (in {\rm nC}) on positive electrode? part b What is the charge...
Wednesday, June 19, 2013 at 6:25pm by holly

physics
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.075 A. Consider a point P on the plane which is equally distant from the two ...
Friday, April 12, 2013 at 12:10am by dd

physics
Two parallel plate capacitors are identical, except that one of them is empty and the other contains a material with a dielectric constant of 4.2 in the space between the plates. The empty capacitor is connected between the terminals of an ac generator that has a fixed ...
Tuesday, November 13, 2012 at 1:33pm by derek

PHYSICS
Two parallel plate capacitors are identical, except that one of them is empty and the other contains a material with a dielectric constant of 4.2 in the space between the plates. The empty capacitor is connected between the terminals of an ac generator that has a fixed ...
Tuesday, February 12, 2013 at 10:58am by HELP !!!!

Physics: Dielectric Constant
A parallel plate capacitor has a capacitance of 9.1 μF when filled with a dielectric. The area of each plate is 2.0 m2 and the separation between the plates is 1.5 x 10-5 m. What is the dielectric constant of the dielectric?
Friday, May 10, 2013 at 2:35pm by Phil-- HELP NEEDED ASAP

Physics
The electric field between the plates of a paper-separated capacitor is 8.18104 . The plates are 2.20 apart, and the charge on each plate is 0.795 .Determine the capacitance of this capacitor. Determine the area of each plate.
Monday, February 18, 2013 at 1:59pm by nammilee_2012

Physics
Air will break down as a dielectric when subjected to applied fields in excess of 3 * 10^6 N/C. a parallel plate capacitor using air as a dielectric has a capacitance of 1.0nF and a separation b/t plates of 1.0micrometer. how much energy U was stored in this capacitor at the ...
Friday, April 23, 2010 at 11:48pm by Nelly

physics
Air will break down as a dielectric when subjected to applied fields in excess of 3 * 10^6 N/C. a parallel plate capacitor using air as a dielectric has a capacitance of 1.0nF and a separation b/t plates of 1.0micrometer. how much energy U was stored in this capacitor at the ...
Sunday, April 25, 2010 at 11:50pm by K

PHYSICS
Find the capacitance of a parallel plate capacitor having plates of area 1.00 m2 that are separated by 0.400 mm of Teflon.
Sunday, September 30, 2012 at 9:18pm by Kg

physics
please help:- Two capactiors of 14microfarror and 6 microfarror are connected in parallel with a series 10microfarror capacitor across a 100v dc supply a)total capactiance b)charge on each capacitor c)voltage across each capacitor d) energy stored in each capacitor
Tuesday, February 12, 2013 at 5:04pm by paulr

PHYSICS
A parallel-plate capacitor has plates with an area of 450 cm^2 and an air-filled gap between the plates that is 2.30 mm thick. The capacitor is charged by a battery to 570 V and then is disconnected from the battery. How much energy is stored in the capacitor? (muJ) The ...
Monday, February 13, 2012 at 5:36am by DAVE

physics
A parallel-plate capacitor has plates with an area of 450 cm^2 and an air-filled gap between the plates that is 2.30 mm thick. The capacitor is charged by a battery to 570 V and then is disconnected from the battery. How much energy is stored in the capacitor? (muJ) The ...
Monday, February 13, 2012 at 5:19pm by kas

Physics
Which of the following parallel-plate capacitors hold the largest charge? A) A capacitor with area A and separation 2d connected to voltage 4V B) A capacitor with area 2A and separation d connected to voltage 2V C) A capacitor with area 2A and separation 2d connected to ...
Tuesday, March 12, 2013 at 4:21pm by Elbe

College Physics
A parallel plate capacitor is made of two 3.5 cm x 3.5 cm square plates that are separated by 1.6 x10 -5 m. The plates are charged to 4.8 nC each (positive and negative). An electron is released from rest at the surface of the negative plate and simultaneously a proton is ...
Wednesday, February 8, 2012 at 9:21am by Collin

Physics
A parallel-plate capacitor has a capacitance of 2.1 F with air between the plates. The capacitor is connected to a 24 V battery and charged. The battery is then removed. When a dielectric is placed between the plates, a potential difference of 2.8 V is measured across the ...
Sunday, March 11, 2012 at 3:41pm by Tor

Physics
A 3.00 uF and a 5.00 uF capacitor are connected in series cross a 30.0V battery. A 7.00 uF capacitor is then connected in parallel across the 3.00 uF capacitor. a)Calculate the equivalent capacitance of the circuit I think the answer is 3.33 uF. b)Determine the voltage across ...
Tuesday, February 16, 2010 at 7:07pm by ALan

physics
1. How does a Van de Graaff Generator work? What is the magnitude of the electric field inside the dome of a charged Van de Graaff generator? 2. How does the charge on one plate of a capacitor compare with that on the opposite plate? 3. How does a capacitor stores energy?
Monday, January 24, 2011 at 11:41am by beauty

Physics
A parallel-plate capacitor is made from two aluminum-foil sheets, each 3.90 cm wide and 10.3 m long. Between the sheets is a mica strip of the same width and length that is 0.0225 mm thick. What is the maximum charge that can be stored in this capacitor? (The dielectric ...
Sunday, February 24, 2013 at 9:09pm by Valerie

physics
(1)A parallel-plate capacitor carrying charge q0 is modified by the insertion of a dielectric with κ = 4.3 between the plates. As a consequence, the energy stored in the capacitor quadruples. What will the charge be after the dielectric is inserted? (2)A metal sphere of ...
Sunday, February 21, 2010 at 12:54am by Sandhya

Physics
A parallel-plate capacitor is constructed with circular plates of radius 0.056 m. The plates are separated by 0.25 mm, and the space between the plates is filled with dielectric with dielectric constant k. When the charge on the capacitor is 1.2 uc the potential difference ...
Thursday, February 2, 2012 at 3:14am by Cooper

physic
why is it physically reasonable to expect that two identical parallel plate capacitors that are placed in series ought to have half the capacitance as one capacitor
Sunday, March 30, 2014 at 5:44pm by ikine2

Physics
Find the electric field between the plates of a capacitor given the following: (1) C= 10pF (2) the capacitor is connected to a 25 V battery (3) there is a vacuum between the capacitor plates (4) plate separation is 2 mm
Sunday, March 3, 2013 at 6:58pm by Joe

physics
so if a capacitor is connected in series with a resistance. Then if one side of capacitor is connected to a positive terminal. Then does that mean that plate has to be positive charge. The electrons travel from the positive plate around the loop to the negative side?
Wednesday, August 25, 2010 at 9:32pm by blasting

Physics
A 0.7 um-diameter droplet of oil, having a charge of +e, is suspended in midair between two horizontal plates of a parallel-plate capacitor. The upward electric force on the droplet is exactly balanced by the downward force of gravity. The oil has a density of 860 (kg/m^3), ...
Sunday, February 6, 2011 at 3:27am by Lauren

College physics
Open Question: Find the electric field between the plates of a capacitor given the following:? (1) C= 10pF (2) the capacitor is connected to a 25 V battery (3) there is a vacuum between the capacitor plates (4) plate separation is 2 mm
Sunday, March 3, 2013 at 6:40pm by Julie

physics
11. The charged plates of a parallel plate capacitor each have a charge density of 3 x 10-3 C/m2. What is the electric field E between the plates?
Monday, March 14, 2011 at 7:44pm by ikemaze

physics
11. The charged plates of a parallel plate capacitor each have a charge density of 3 x 10-3 C/m2. What is the electric field E between the plates?
Tuesday, March 15, 2011 at 8:42am by kb

Physics
The charged plates of a parallel plate capacitor each have a charge density of 3 x 10-3 C/m2. What is the electric field E between the plates?
Monday, March 21, 2011 at 12:24pm by C

physic's problem
A square parallel plate capacitor in a circuit with a 2.0 V battery is replaced with a new one. If the sides of the new plates are 3 as large as those of the old, and the distance between the plates is 1/4 of the distance between the old plates, then the maximum potential ...
Wednesday, January 18, 2012 at 11:43am by Anonymous

physics
A parallel plate capacitor having plates 6.0 cm apart is connected across the terminals of a 12.0 V battery. (a) Being as quantitative as you can, describe the location and shape of the equipotential surface that is at a potential of +6.0 V relative to the potential of the ...
Monday, January 28, 2008 at 10:34pm by J

Physics
Consider a charging capacitor made out of two identical circular conducting plates of radius 21 cm. The plates are separated by a distance 8 mm (note that d<<a). The bottom plate carries a positive charge Q(t)= Q0(1+t/T) with Q0 = 5e-06 C and T = 0.005 sec, and the top ...
Friday, May 24, 2013 at 5:35am by Flux

physics
an LC circuit with a 3 uF capacitor and a 3 H inductor has a current I(t)=10*sin(2t) supplied to it . after 2 s, how much charge is stored on a plate of the capacitor?
Monday, March 12, 2012 at 11:43am by fatih

physics
an LC circuit with a 3 uF capacitor and a 3 H inductor has a current I(t)=10*sin(2t) supplied to it . after 2 s, how much charge is stored on a plate of the capacitor?
Tuesday, March 13, 2012 at 12:37pm by fatih

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