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July 23, 2014

Search: a 2.0 uF and UF capacitor are connected in a series across an 8.0 V dc source what is the charge on the 2.0 uF capacitor?

Number of results: 2,327

Physics
Two identical capacitors store different amounts of energy: capacitor A stores 2.5 x 10-3 J, and capacitor B stores 2.8 x 10-4 J. The voltage across the plates of capacitor B is 11 V. Find the voltage across the plates of capacitor A.
September 12, 2013 by Ann

Physics
Consider an RC series CKT with V in series with RC. V=7 V, R=15 Ohm, C=0.0025 Farad. At t=0 we start charging the capacitor with no charge initially on the capacitor. (a) Calculate the time t∗ (in seconds) when the potential across the capacitor is V/2. (b) How much ...
May 1, 2013 by rishabh gupta

physics so confused
1. A 26.0-Ω resistor, a 12.0-F capacitor, and a 17.0-mH inductor are connected in series with a 150-V generator. (a) At what frequency is the current a maximum?
March 21, 2012 by linds

Physics
A 200- resistor, 40.0-mH inductor and a 2.00-F capacitor are connected in series with a 120-V rms source at 1000 Hz. What is the phase angle of this circuit?
April 11, 2011 by Alex

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.
February 2, 2012 by Nas

physics
A battery is attached across several different capacitors connected in series. Which of the following statements are true? 1 The capacitor with the largest capacitance carries the largest charge. All the capacitors have the same charge, and the equivalent capacitance is ...
January 29, 2010 by Cal

Physics
An uncharged capacitor is connected to the terminals of a 3.0 V battery, and 9.0 uC flows to the positive plate. The 3.0 V battery is then disconnected and replaced with a 8.0 V battery, with the positive and negative terminals connected in the same manner as before. How much ...
March 3, 2010 by JOTHEY

Physics
You have a circuit with a 4 uF capacitor connected in series to 2 capacitors connected in parallel (2 uF and 1.5 uF). The battery is 12 V. The first question asked what the circuit's equivalence capacitance was. I calculated it to be 1.9 uF, which is correct. The next question...
February 19, 2011 by Jon

Physics
An 8.3 uF and a 2.9 uF capacitor are connected in series across a 24 V battery. What voltage is required to charge a parallel combination of the two capacitors to the same total energy?
October 15, 2013 by Anonymous

Physics
An 8.3 uF and a 2.9 uF capacitor are connected in series across a 24 V battery. What voltage is required to charge a parallel combination of the two capacitors to the same total energy?
October 16, 2013 by Anonymous

Physics
An 8.3 uF and a 2.9 uF capacitor are connected in series across a 24 V battery. What voltage is required to charge a parallel combination of the two capacitors to the same total energy?
October 16, 2013 by Anonymous

physics
You have a parallel plate capacitor (with air between its plates) which is attached to a voltage source until the capacitor is fully charged. (a)After detaching the capcitor from the voltage source, you move the capacitor's plates farther apart; which of the following will ...
March 20, 2012 by Rebecca

physics
Three capacitors with C1=C2=C3= 10.00 uF are connected to battery with voltage V= 194 V. What is the voltage across capacitor C1
November 23, 2011 by JL

Physics Help!
A 220 uF capacitor with a 10% tolerance rating is charged. The voltage across the capacitor is measured to be 110 +/- 5.5 volt. Calculate the electrical charge stored in the capacitor. Estimate the error in the charge by propagating the uncertainty in the capacitance and the ...
January 27, 2012 by Mary

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 ...
February 14, 2013 by Nicole

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 ...
April 9, 2013 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 ...
April 13, 2013 by tanvir ali

Physics
Consider a capacitor made of two square plates of side 'l' . The distance between the two plates is 'd'. a) We insert a dielectric of dielectric constant K>1 and width l, a distance x (as in the diagram). What is the total capacitance of this arrangement? Express your ...
March 12, 2013 by Phy

Electrics Dewberry
Find the rms current in a 2.0uF capacitor connected across 120V rms, 65Hz AC power. Thanks!
September 23, 2012 by Dewberry

phy
In a capacitor, yuo have two plates, one is connected to a battery but other is not, how the other plate become charge ups.
February 7, 2011 by ami

physics
In a series circuit, a generator (1254 Hz, 13.8 V) is connected to a 15.5-Ω resistor, a 4.25-F capacitor, and a 5.32-mH inductor. Find the voltage across each circuit element. VR = VC = VL =
March 20, 2012 by linds

Physics
A 11-V battery is connected to three capacitors in series. The capacitors have the following capacitances: 5.3 F, 10.7 F, and 31.8 F. Find the voltage across the 31.8-F capacitor. Please Help!
February 24, 2013 by Valerie

Physics
Derive an expression for the gain Vout/Vin. Express your answer in the form of A+jB. A basic non inverting operational amplifier with a capacitor connected in series with the resistor at the bottom.
March 13, 2011 by John

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/...
August 30, 2007 by Mary

physics
A resistor 3 Mega ohms and a capacitor of 350 mirco F are connected in series to a 50V power supply. Calculate the time constant. Do I need to solve for an actual number? I'm confused
April 2, 2008 by susan

pjysics
A capacitor that has 10 cm diameter plates, 0.1mm apart, is charged at 100 V and the battery removed afterwards. What are the charges on each of the platesimmediately after charging the capacitor? What is the voltage if the distance between plates is increased to 0.5 mm? How ...
April 22, 2014 by tj

physics
A 2600-pF air gap capacitor is connected to a 9.0 V battery.If a piece of pyrex glass is placed between the plates,how much charge will then flow from the battery?
February 4, 2008 by jenish

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 ...
April 12, 2013 by dd

Physics
A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor and a 3.50 micro farad capacitor. Find the phase angle between the current and the voltage.
March 2, 2013 by Mima

Physics
A solenoid has N=1760.0 turns, length d=40 cm , and radius b=0.4 cm, (b<<d) . The solenoid is connected via a switch, S1 , to an ideal voltage source with electromotive force ϵ=7 V and a resistor with resistance R=25 Ohm . Assume all the self-inductance in the ...
May 23, 2013 by Anonymous

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. ...
July 1, 2008 by H

MONGU COLLEGE
A resistor of 15 ohms and an inductor of 4H and capacitor of 25 micro F are connected in series across 230V AC supply calculate. a.The frequency b.current c.voltage drop or pd across inductance.
March 5, 2013 by barotseland network

PHYSICS
a) What is the maximum current in a 4.00 F capacitor when it is connected across a North American electrical outlet having ΔVrms = 120 V, f = 60.0 Hz? mA (b) What is the maximum current when it is connected across a European electrical outlet having ΔVrms = 240 V ...
November 29, 2013 by Cassandra

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 ...
November 22, 2011 by Jam

Science
1. What is the direction of charge flow when charging a capacitor? When discharging a capacitor? What is your evicence?
October 2, 2010 by Ronnie

physics capacitor
What voltage is required to store 8.0 x 10-5 C of charge on the plates of a 6.1-μF capacitor?
January 18, 2013 by help

physics
A capacitor has circular plates of radius \(r = 12\,cm\) that are a distance \(d = 0.1\,cm\) apart. What is the capacitance of this capacitor in \(F\)?
November 10, 2013 by Anonymous

physics
a 2 uF capacitor is connected in series with a 1.2 M ohms resistor and a 5 v battery for a long time. What is the current in the resistor 1s after disconnecting the battery?
November 23, 2011 by JM

physics
A 24-F capacitor has an electric potential difference of 30 V across it. What is the charge on the capacitor?
February 24, 2010 by kjhlkj

Physics
A capacitor has a charge of 5 C when charged by a potential difference of 1.5 V. What is the capacitance of the capacitor?
February 2, 2013 by anonymous

physics
A 9500 pF capacitor holds plus and minus charges of 16.5*10-8 C. What is the voltage across the capacitor?
March 1, 2010 by electric field

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 ...
May 24, 2013 by Flux

Physics
The circuit below consists of three identical resistors each with resistance R=7 Ohm, two identical batteries with emfs E=9 V, and a capacitor with capacitance C=651 μF. The capacitor is initially uncharged at t = 0. (a) After a very very long time, t≫RC, what is ...
May 22, 2013 by Annoyingmous

Physics 2
Show that during the charging of the capacitor in an RC circuit, the charge of the capacitor, as a function of time, is: q(t) = C(1 e-t/RC)
August 14, 2012 by Robert

Physics
A capacitor of a capacitant is subjected to 2000V of p.d across its terminal. Calculate the energy stored in the capacitor?
March 6, 2013 by Ollyjay

physics
A 4.0-uF capacitor is charged to 600 volts. how much energy is stored in the electric field of the capacitor?
March 9, 2014 by Cameron

physics - conceptual
Three identical capacitors are connected in series to a battery. If a total charge of Q flows from the battery, how much charge does each capacitor carry? A)9Q B)Q/3 C)Q D)3Q E)Q/9
February 3, 2013 by Liz

Physics
A solenoid has N=1760.0 turns, length d=40 cm , and radius b=0.4 cm, (b<<d) . The solenoid is connected via a switch, S1 , to an ideal voltage source with electromotive force ϵ=7 V and a resistor with resistance R=25 Ohm . Assume all the self-inductance in the ...
May 22, 2013 by Anonymous

Physics
A solenoid has N=1568.0 turns, length d=32 cm , and radius b=0.2 cm, (b<<d) . The solenoid is connected via a switch, S1 , to an ideal voltage source with electromotive force ϵ=13 V and a resistor with resistance R=25 Ohm . Assume all the self-inductance in the ...
May 23, 2013 by Annoyingmous

Physics
In the following circuit R_1=3 Ohm, R_2=10 Ohm, C=0.003 Farad, V=5 Volts. At time t =0 we connect the power supply to the circuit. At t=0 the capacitor is uncharged. (a) What is the time constant tau (in seconds) to charge up the capacitor? (b) What is the electric potential ...
May 6, 2013 by Phy

Science
Using the analogy of the air capacitor, what do you think might be the cause of charge motion during capacitor discharging?
October 2, 2010 by Ronnie

physics
A parallel plate capacitor is made of two 3.0 cm x 3.0 cm square plates that are separated by 1.0 mm are connected to a12.0 V battery. If and electron is released from the negative electrode, what speed will it reach by the time it arrives at the positive electrode?
February 10, 2011 by So Confused

Science
Consider a circuit with a capacitor, battery, wire, and bulb. Describe the source(s) of charge during capacitor discharging.
October 2, 2010 by Ronnie

Science
Consider a circuit with a capacitor, battery, wire, and bulb. Describe the source(s) charge during capacitor charging.
October 2, 2010 by Ronnie

physics
A 20.0 \mu F capacitor initially charged to 20.0 \mu C is discharged through a 1.90 k\Omega resistor. How long does it take to reduce the capacitor's charge to 5.00 \mu C?
April 1, 2011 by john

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?
March 12, 2012 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?
March 13, 2012 by fatih

Physics
A certain capacitor stores 360 J of energy when it holds 9.1 10-2 C of charge. (a) What is the capacitance of this capacitor? C (b) What is the potential difference across the plates? V
July 11, 2010 by laila

Physics
Suppose that you are using a multimeter on the OHMS scale to test a capacitor and the meter reads zero. What condition of the capacitor does this indicate?
June 10, 2013 by Pete

Physics
A capacitor network has two capacitors in series: 150nF and 120nF. The potential difference between point a on the outer side of the 150nF capacitor and point b on the outer side of the 120nF capacitor is 120nF. a) total charge of the network= 2.4uC b) charge on each capacitor...
March 3, 2011 by Jon

Physics
A 50 ohm resistor is connected in series with a 0.2 H inductor, a 40 microFarad capacitor, and an AC Generator yielding 120 v (RMS) at 60 Hz. Find A) the inductive reactance b) the capacitive reactance and c) the total reactance, the impedance Z, and the current in Circuit, I.
May 10, 2013 by Sandra

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 ...
November 4, 2012 by andrew

Physics
(a) How much charge does a battery have to supply to a 5.0 uF capacitor to create a potential difference of 1.5 V across its plates? How much energy is stored in the capacitor in this case? (b) How much charge would the batter have to supply to store 1.0 J of energy in the ...
February 4, 2008 by J

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...
February 26, 2014 by Dee

physics
A fully charged 98 uF capacitor is discharged through a 125 ohms resistor. How long will it take for the capacitor to lose 75% of its initial energy
November 23, 2011 by JM

physics
A certain capacitor stores 473 J of energy when it holds 7.91 x 10−2 C of charge. What is the capacitance of this capacitor? What is the potential difference across the plates?
January 31, 2012 by Ashley

Physics
A certain capacitor stores 473 J of energy when it holds 7.91 x 10−2 C of charge. What is the capacitance of this capacitor? What is the potential difference across the plates?
February 2, 2012 by Ashley- please help!

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) ...
April 27, 2010 by Jordie

physics
lets say two capacitors C1 and C2 1uF each are connected in series with a voltage source 5v. One of the capacitors C2 has an initial voltage of 1v and the other has no charge on it initially.What is the final voltages across the capacitor C2?
September 10, 2012 by Venkatarama

physics
lets say two capacitors C1 and C2 1uF each are connected in series with a voltage source 5v. One of the capacitors C2 has an initial voltage of 1v and the other has no charge on it initially.What is the final voltages across the capacitor C2?
September 10, 2012 by Venkatarama

physics
9-Volt battery is used to charge a 375 mF capacitor over a 147 resistance. How many seconds will it take for the capacitor to reach 75% of its maximum charge? Hint: The equation below represents the charge of a charging capacitor as a function of time Q max= CV once you ...
March 10, 2011 by crystal

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?
September 4, 2012 by Amanda

Physics
A 6.44 E+06 ohm resistor and a 1.00 microfarad capacitor are connected in a single loop circuit with a seat of emf of E = 2.00 V. At 6.00 s. after the connection is made, what is the rate at which energy (in joules/second) is being delivered by the seat of emf?
November 10, 2012 by andrew

Physics RC
A 6.44 E+06 ohm resistor and a 1.00 microfarad capacitor are connected in a single loop circuit with a seat of emf of E = 2.00 V. At 6.00 s. after the connection is made, what is the rate at which energy (in joules/second) is being delivered by the seat of emf?
November 11, 2012 by andrew

physics
hi im trying to do a problem that involves multiple battereis, one capacitor,and multiple resistors, and im told that the circuit has been connected for a very long time... i found the current passing thru each battery using kirchoffs rules, but now i have to find the ...
March 30, 2011 by APpreciative student

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?
September 12, 2011 by Paige

Physics
A capacitor is made from two parallel plates separated by a distance d, and each has area A. The capacitor holds a charge Q. (a) What is the energy stored in the capacitor? (b) A mechanical force pulls the plates apart, without changing the stored charge, until they are 2d ...
February 27, 2013 by lindsey

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 ...
February 13, 2012 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 ...
February 13, 2012 by kas

Physics
A 12 V battery is connected to 5 mega ohm resistor and a 6 micro farad capacitor and an open switch. After how many seconds will the voltage across the resistor reach 9 V? Suppose the battery is replaced by 12 V ac with a frequency of 60 Hz.Calculate the Irms in the circuit
May 23, 2009 by Sandhya

physics please!
hi im trying to do a problem that involves multiple battereis, one capacitor,and multiple resistors, and im told that the circuit has been connected for a very long time... i found the current passing thru each battery using kirchoffs rules, but now i have to find the ...
March 30, 2011 by kiksy

College Physics 2
A parallel-plate air capacitor is made from two plates 0.250 m square, spaced 0.70 cm apart. It is connected to a 140 V battery. a) What is the capacitance? C = 7.9010−11 F b) What is the charge on each plate? Enter your answer as an absolute value of charge. Q = 1.11...
February 11, 2013 by Lisa

Physics
The stored electrical energy of a 800- F capacitor charged to 1.20~104 Volts is converted to thermal energy by discharging the capacitor through a heating element submerged in 711.6 g of water in an insulating cup. What is the increase in temperature of the water if the ...
September 22, 2011 by TP

physics
When a capacitor are plugged into the battery, what happens to the Q(charge), potential difference, and C. It would have the same effect if two capacitors connected in parallel plugged into the battery
August 15, 2010 by blast

science
a 10ufcapacitoris chargedby 30Vd.c supply and then connected across an uncharged 50uf capacitor(1)the final potential difference across the combination (2) the initial and final energies. How will you account for the difference in energy
May 16, 2013 by alesha

Physics
The stored electrical energy of a 350-μ F capacitor charged to 1.20104 Volts is converted to thermal energy by discharging the capacitor through a heating element submerged in 548.0 g of water in an insulating cup. What is the increase in temperature of the water if the ...
February 14, 2013 by Nicole

physics
A 2.0 micro Farad capacitor in a circuit in series with a resistance of 1.0 mega ohms is charged with a 6.0v battery. How long would it take to chage the capacitor to three fourths of its maximum voltage.
October 29, 2013 by Jason

physics
When a capacitor are plugged into the battery, what happens to the Q(charge), potential difference, and C(do all of them increase?). would it have the same effect if two capacitors connected in parallel plugged into the battery
August 16, 2010 by blast

Physics
In lightning storms, the potential difference between the earth and the bottom of the thunderclouds can be as high as 35000000 V.The bottoms of the thunderclouds are typically 1500 m above the earth, and can have an area of 110 km^2. Modelling the earth-cloud system as a huge ...
February 4, 2008 by jenish

Calculus
A 15.2-F capacitor has an initial voltage of 2.00 V. It is charged with a current given by i=t5=t^2. Find the voltage across the capacitor at 1.75 seconds.
August 21, 2012 by Tim

Physics
In a portable defibrillator, energy is stored in a capacitor charged to a high potential difference. The capacitor is discharged through the patients body in a short, high-powered pulse. a) The capacitor in a portable defibrillator is charged to 5000 V and ...
October 5, 2011 by jo

physics
A source of instantaneous potential V = 10sin(50pi t) is connected across a capacitor of capacitence 1 times 10power negative 6 F. calculate the maximum value of the current and phase difference between the current and the potential difference?
April 18, 2012 by Allan

physics
The electric potential energy stored in the capacitor of a defibrillator is 64 J, and the capacitance is 137 F. What is the potential difference that exists across the capacitor plates?
January 19, 2011 by Anonymous

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?
March 3, 2011 by crystal

Physics
The electric potential energy stored in the capacitor of a defibrillator is 77 J, and the capacitance is 123 F. What is the potential difference that exists across the capacitor plates?
February 18, 2013 by Don

Physic II
Suppose a capacitor having a capacitance of C fully charged to a voltage V and then discharged through a resistor R. Derive the equation (in terms of C,V,and R) that shows how long a time the capacitor will take to lose 45 % of its charge.
March 13, 2014 by Buline

physics
The electric potential energy stored in the capacitor of a defibrillator is 83 J, and the capacitance is 124 F. What is the potential difference that exists across the capacitor plates? _____________ V
January 25, 2011 by ali-1

Physics
Consider the series RLC circuit in which R2<4L/C (underdamped). Assume that at t=0 , the charge on the capacitor has its maximum value. The differential equation obeyed by the potential across the capacitor can be written in the following form d2V/dt2+a*dV/dt+b*V=0 In the ...
May 5, 2013 by rishabh gupta

physics
The capacitance of a capacitor is 10 μF. The distance between the plates is made half and area is doubled. The capacitance of the capacitor will now be: i think its 20 im not sure tho
May 13, 2011 by ashley --- HELP PLEASEE!!!

Physics
The electric field between the plates of a paper-separated (K = 3.75) capacitor is 9.21 104 V/m. The plates are 2.05 mm apart and the charge on each plate is 0.775 C. Determine the capacitance of this capacitor.
February 9, 2012 by Conor

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