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April 18, 2014

Search: electric

Number of results: 3,050

Applied Physics
Which is a vector quantity? electric energy electric charge electric power electric field intensity
Sunday, May 29, 2011 at 5:27pm by Scott

physics
A. "cancelled"? Surely your instructor did not use that word. If an electric field is opposed, then the two electric fields may add to zero. So lesser minds may call that canceling. b. ? c. Electric fields indeed stores electric energy, as do magnetic fields. d. ? e. I have no...
Tuesday, April 10, 2012 at 5:50pm by bobpursley

Physics
What is the difference between electric force, electric potential energy, electric field strength, electric potential, and electric potential difference?
Friday, July 20, 2012 at 9:33am by KnowsNothing

physics
Electricity is often converted into other forms of energy. Electric heating Electric motors electric lights
Thursday, January 5, 2012 at 8:46pm by bobpursley

Physics
Electric force is measured in Newtons Electric potential energy is measured in Joules Electric field strength is measured in in Newtons/Coulomb Electric potential is measured in Joules per Coulomb, or Volts, and Electric potential difference is the difference in electric ...
Friday, July 20, 2012 at 9:33am by drwls

Physics-Please help with formula
Electric field To help visualize how a charge, or a collection of charges, influences the region around it, the concept of an electric field is used. The electric field E is analogous to g, which we called the acceleration due to gravity but which is really the gravitational ...
Friday, February 25, 2011 at 4:22pm by Damon

Physics
A point charge Q1=-2 microcoulomb is located at x=0, and a point charge Q2=+8 microcoulomb, is placed at x=-0.5 on the x axis of a cartesian coordinate system.The goal of this problem is to determine the electric field,at various points along the x axis. a)What is electric ...
Monday, February 25, 2013 at 4:45am by Phy

physics
The electric potential at x = 3.0 m is 120 V, and the electric potential at x = 5.0 m is 190 V. What is the electric field in this region, assuming it's constant?
Friday, January 29, 2010 at 8:19am by Cal

physics
Electric current is a flow of electric charge that moves due to an electric pressure is called what?. A) wattage.B) voltage.C) All of these to some degree.D) None of these.E) amperage. I chose ampere, this is what my textbook tells me and I got it wrong
Saturday, April 14, 2012 at 5:18pm by Christy

physics
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s2. What are the magnitude and direction of the electric field.
Monday, March 1, 2010 at 8:02pm by electric field

physic
Electric potential exists if work must be done to bring a "test" charge there, no matter what that test charge is. Electric potential (V) depends upon the amount and proximity of other charges. Electric potential energy is q*V. V (the electric potential) does not depend upon ...
Thursday, July 15, 2010 at 5:30pm by drwls

algebra based physics
Electric bees. As they fly through the air, honeybees can pick up a small amount of electric charge. Suppose a 0.12-g bee acquires a charge of 65pC. How many excess electrons has the bee acquired? Find the magnitude of the electric force on the bee in the electric field just ...
Monday, February 10, 2014 at 9:59pm by jrfannin

physics
explain the relationship between contours of constant potential and the electric field direction. why is the electric field a vector quantity while the electric potential is a scalar?
Monday, February 1, 2010 at 5:45pm by jake

Physics electric force, please help!
A charge of +Q and a charge of +2Q are separated by a distance r. The electric force of +2Q on +Q has a magnitude of F and is directed to the right. Which one of the following statements is correct regarding the electric force of +Q on +2Q? (A)The electric force of +Q on +2Q ...
Thursday, November 8, 2012 at 7:49pm by Matt

math/physics
An electron moving through an electric field experiences an acceleration of 6.1 multiplied by 103 m/s2. (a) Find the electric force acting on the electron. (b) What is the strength of the electric field?
Monday, January 11, 2010 at 10:27pm by jake

physics
1.)In an electric potential the charge is moving from infinity to a given point. Is that infinity point is within the electric field or outside of it? 2.)Is electric potential difference and voltage are same? 3.)Are electric potential and voltage same?
Saturday, October 5, 2013 at 10:59pm by ramesh reddy

Physics
Which of the following statements is true about electric forces? A. Electric forces cause objects to only attract each other. B. Electric forces cause objects to only repel each other. C. Electric forces cause objects to repel or attract each other. D. Electric forces have no ...
Tuesday, April 7, 2009 at 5:20pm by sophie

physics
A circular surface with a radius of 0.053 m is exposed to a uniform external electric field of magnitude 1.48 104 N/C. The electric flux through the surface is 72 N m2/C. What is the angle between the direction of the electric field and the normal to the surface?
Tuesday, September 8, 2009 at 8:00pm by amber

Physics
A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N m2/C. What is the angle between the direction of the electric field and the normal to the surface?
Friday, September 6, 2013 at 2:15pm by Sarah

Physics
A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N m2/C. What is the angle between the direction of the electric field and the normal to the surface?
Friday, September 6, 2013 at 3:19pm by Sarah

Physics
A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N m2/C. What is the angle between the direction of the electric field and the normal to the surface?
Friday, September 6, 2013 at 11:31pm by Sarah

Physics
A circular surface with a radius of 0.058 m is exposed to a uniform external electric field of magnitude 1.49 104 N/C. The electric flux through the surface is 74 N m2/C. What is the angle between the direction of the electric field and the normal to the surface?
Sunday, September 8, 2013 at 5:18pm by Sarah

PHYSICS
1. Why is an electric field considered to be a vector quantity? 2. Draw the electric field around an electric dipole of +1 C and -1 C 3. How many electrons have been removed from a positively charged object if it has a charge of 1.5 x 1011 C? 4. A particle with a charge - 1....
Friday, December 21, 2012 at 2:33am by Hayden

Physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector...
Saturday, March 13, 2010 at 11:21am by Sandra

Physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector...
Monday, March 15, 2010 at 1:54pm by mm.

electric fields, showed work
imagine sitting a distance r from a charge q. you measure both the electric field and electric potential. now imagine that the charge is halved and you move three time as far away. you measure the field and potential again. b what factor has the electric field changed? by what...
Wednesday, January 28, 2009 at 4:26pm by Anonymous

physics
The electric potential in a certain region is V = a x2 + b x + c, where a = 15 V/m2, b = −13 V/m, and c = 67 V. 1)Determine the electric field at x = 4 m. 2)Determine the position where the electric field is zero.
Saturday, September 24, 2011 at 11:08pm by physics

Physics
3. A 5.0 C point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved?)
Tuesday, May 1, 2012 at 8:35pm by Vita

electric
When an electron moves from A to B along an electric field line in Fig. 24-29, the electric field does 3.66 x 10-19 J of work on it. What are the electric potential differences (a)VB - VA, (b)VC - VA, and (c)VC - VB? in the picture there r four field lines going from down to ...
Tuesday, April 14, 2009 at 7:49am by sweety

physics
A flat horizontal surface with an area of 650 cm2 is inside a uniform electric field of 2.99104 N/C. The angle between the area vector and the electric field is 14.8. What is the electric flux through the surface?
Sunday, January 30, 2011 at 8:56pm by Ana

physics
Which of these are correct for an electric field? A) It's a vector quantity, and can be cancelled.B) Three of three are correct.C) It stores electric energy.D) Two of three are correct.E) It's the altered space surrounding electric charge.
Tuesday, April 10, 2012 at 5:50pm by Kristie

Physics
What must the charge (sign and magnitude) of a particle of mass 1.48g be for it to remain stationary when placed in a downward-directed electric field of magnitude 670N/C ? What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude...
Tuesday, September 3, 2013 at 7:17pm by Wayne

physics
A 30.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 5.60 multiplied by 105 Nm2/C. What is the magnitude of the electric field? MN/C
Sunday, September 8, 2013 at 11:11am by gita

physics
A 30.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is 5.60 multiplied by 105 Nm2/C. What is the magnitude of the electric field? MN/C
Friday, September 13, 2013 at 3:56am by suhani

physics
Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve as a velocity selector...
Saturday, March 13, 2010 at 10:05pm by lauren

physics
please check this: Which sentence best describes electrical conductors? a. electrical conductors have low mass density b. electrical conductors have high tensile strength c. electrical conductors have electric charges that move freely d. electrical conductors are poor heat ...
Saturday, March 14, 2009 at 8:32pm by physics

physics
A particle has a charge of +2.2 μC and moves from point A to point B, a distance of 0.16 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric potential energy at A ...
Wednesday, January 30, 2013 at 8:10pm by mageda

Physics
The electric flux through the surface shown in Figure Ex27.10 is 15.0 Nm2/C, and the electric field makes an angle α = 70 with the surface. What is the electric field strength? The surface is a 10cm by 10cm square.
Monday, September 13, 2010 at 8:59am by David D.

Science/Astronomy
Large geomagnetic storms can cause surges of electric current here on Earth. What is the MOST LIKELY result of a large surge in electric current? F. power outages G.better TV reception H. cheaper electric power I. Local Group galaxy What is the answer???
Tuesday, April 13, 2010 at 6:57pm by Austin

Physics
3 There are two charges +Q and Q/2 that locate at two positions with a separation of d as shown in Fig. 1. We may put +Q at the origin of the x-axis to facilitate the calculation. (a) Find the electric field for +Q and Q/2 at the position P. (5 points) (b) What is the total ...
Sunday, September 5, 2010 at 6:10pm by David

Physics II
When an electron moves from A to B along an electric field line, the electric field does 3.94 x 10^-19 J of work on it. What are the electric potential differences (a) Vb - Va, (b) Vc - Va, and (c) Vc - Vb?
Sunday, February 13, 2011 at 6:02pm by Scott

Physics
A 5.0 C point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved? Show work. (C = 1.0 106 C)
Saturday, May 19, 2012 at 2:13pm by Pat

University Physics II
How do you convert electric field into electric force?
Wednesday, March 24, 2010 at 8:36pm by Me

physics
How are electric potential and electric field strength related?
Thursday, May 12, 2011 at 10:34pm by ashley --- HELP PLEASEE!!!

physics
What is the primary difference between an electric motor and an electric generator?
Wednesday, May 16, 2012 at 11:24am by Alice

Physics
What is the basic difference between an electric generator and an electric motor?
Monday, May 28, 2012 at 10:45am by Jan

Physics
In a typical living cell, the electric potential inside the cell is 0.070 V lower than the electric potential outside the cell. The thickness of the cell membrane is 0.10m. What is the magnitude and direction of the electric field (E) within the cell membrane?
Saturday, March 30, 2013 at 10:50pm by Nina

Physics
An object with a charge of -4.4 uC and a mass of 1.410^−2 kg experiences an upward electric force, due to a uniform electric field, equal in magnitude to its weight. Find the magnitude of the electric field. Find the direction of the electric field. If the the electric ...
Monday, January 23, 2012 at 11:42pm by Cooper

electric
When an electron moves from A to B along an electric field line in Fig. 24-29, the electric field does 3.66 x 10-19 J of work on it. What are the electric potential differences (a)VB - VA, (b)VC - VA, and (c)VC - VB? in the picture there r four field lines going from down to ...
Tuesday, April 14, 2009 at 10:32pm by sweety

physics(electric forces)
how do i figure out if an electric force between 2 stationary points are positive or negative?
Sunday, March 17, 2013 at 11:04pm by vii

physics
What is the electric field intensity produced by a charge at 10 meters, where the electric potential is 1.44 volts?
Monday, June 17, 2013 at 3:12pm by kayla

Physics Flux
The electric flux through the surface shown in Figure Ex27.10 is 15.0 Nm2/C, and the electric field makes an angle = 70 with the surface. What is the electric field strength? The surface is a 10cm by 10cm square.
Monday, September 13, 2010 at 3:59pm by David

physics
A moving particle encounters an external electric field that decreases its kinetic energy from 9100 eV to 6630 eV as the particle moves from position A to position B. The electric potential at A is -59.5 V, and the electric potential at B is +26.1 V. Determine the charge of ...
Tuesday, July 3, 2012 at 11:25pm by Natasha

physics - electric fields
A 2.00 square meter flat surface is placed in a uniform electric field of magnitude 6.00 N/C. If the surface is oriented so that the field lines are all parallel to the surface, find the magnitude of the electric flux through this area
Sunday, September 8, 2013 at 8:23pm by Lakitha

Applied Physics
A proton moves in a constant electric field E from point A to point B. The magnitude of the electric field is 6.4 104 N/C; and it is directed as shown in the drawing, the direction opposite to that of the proton. If the distance from point A to point B is 0.50 m, what is the...
Sunday, May 29, 2011 at 5:27pm by Anonymous

physics
A proton moves in a constant electric field from point A to point B. The magnitude of the electric field is 6.4 10^4 N/C; and it is directed as shown in the drawing, the direction opposite to the motion of the proton. If the distance from point A to point B is 0.50 m, what ...
Thursday, February 16, 2012 at 1:27am by Daniel

physics
A proton moves in a constant electric field E from point A to point B. The magnitude of the electric field is 4.2 x10^4 N/C; and it is directed as shown in the drawing, the direction opposite to the motion of the proton. If the distance from point A to point B is 0.18 m, what ...
Monday, April 23, 2012 at 5:23pm by Anonymous

physics
please check: Two point charges, initially 1 cm apart, are moved to a distance of 3 cm apart. By what factor do the resulting electric and gravitational forces between them change? a. 9 b. 3 c. 1/3 d. 1/9 D Two positive charges, each of magnitude q, are on the y-axis at points...
Saturday, March 14, 2009 at 8:44pm by physics

Chemisty
The relative electric charge of a proton is +1, the relative electric charge of an electron is -1 and that of neutron is 0. What is electric charge and why is it relative? Thank a lot.
Tuesday, January 20, 2009 at 4:09pm by janice

Physics
If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?
Tuesday, February 23, 2010 at 8:53pm by Anonymous

Physics
If a proton is released from rest in a uniform electric field does electric potential at its position increase, stay the same, or decrese?
Wednesday, February 24, 2010 at 1:31pm by Sara

physics
A moving particle encounters an external electric field that decreases its kinetic energy from 9100 eV to 6630 eV as the particle moves from position A to position B. The electric potential at A is -59.5 V, and the electric potential at B is +26.1 V. Determine the charge of ...
Wednesday, July 4, 2012 at 4:04pm by Natasha

physics
A moving particle encounters an external electric field that decreases its kinetic energy from 10360 eV to 7680 eV as the particle moves from position A to position B. The electric potential at A is -52.5 V, and the electric potential at B is +29.7 V. Determine the charge of ...
Thursday, February 14, 2013 at 2:50pm by Anonymous

physics!
An electric dipole consists of 2.0 g spheres charged to 5.0 nC (positive and negative) at the ends of a 12 cm long massless rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a uniform electric field with field strength 1400V, ...
Wednesday, February 8, 2012 at 3:32pm by cha

College Electric Physics
(a) What is the electric potential energy in joules of two electrons separated by 1.98 nm? (b) What would be it be if the separation was doubled?
Friday, February 11, 2011 at 1:23pm by Bob

College Physics
An electric dipole consists of 2.0 g spheres charged to 5.0 nC (positive and negative) at the ends of a 12 cm long massless rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a uniform electric field with field strength 1400V, ...
Wednesday, February 8, 2012 at 11:36am by Collin

college physics
An electric dipole consists of 2.0 g spheres charged to 5.0 nC (positive and negative) at the ends of a 12 cm long massless rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a uniform electric field with field strength 1400V, ...
Wednesday, February 8, 2012 at 2:02pm by cha

physics
An electric charfe of -3 C is moved from a position where the electric potential is 1 V to a position where the electric potential is -6V. What is the chsange in potential energy of the charge with this change in position? I know that change in PE = k(q1q)/r_2 - k(q1q)/r_1 I ...
Wednesday, March 5, 2008 at 5:28pm by Andrea

Physics
1)Which of the following statements is true about electric forces? A)electric forces cause objects to only attract each other. B)electric forces cause objects to only repel each other C)electric forces cause objects to repel or attract each other D)electric forces have no ...
Wednesday, April 9, 2008 at 12:11pm by Jon

science
The electric field in the atmosphere is about 140 N/C, downward. (b) Find the electric force on a proton with charge +1.6 10-19 C. formula please??
Wednesday, January 30, 2008 at 6:54pm by natasha

PHYSICS URGENT HELP
a charges electric potential energy within an electric field is calculated as the product of the ____ of it's position times the magnitude of it's charge
Wednesday, December 18, 2013 at 10:49am by al

physics
In a thundercloud there may be an electric charge of 54 C near the top of the cloud and −54 C near the bottom of the cloud. If these charges are separated by about 4 km, what is the magnitude of the electric force between these two sets of charges? The value of the ...
Tuesday, February 19, 2013 at 10:06pm by hannah

physics
A particle has a charge of +1.5 C and moves from point A to point B, a distance of 0.19 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric potential energy at A and B ...
Tuesday, January 17, 2012 at 10:38pm by Taylor

physics
A particle has a charge of +1.5 C and moves from point A to point B, a distance of 0.19 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric potential energy at A and B ...
Tuesday, January 17, 2012 at 10:39pm by Taylor

Physics
A 5.0 C point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved? Show work. (C = 1.0 106 Vq=energy so delta V must be 10 volts. What do I do NOW?
Saturday, May 19, 2012 at 3:06pm by Pat

physics
a.What electric potential difference exists across a 5.2 F capacitor that has a charge of 2.1 10-3 C? how do i use uF and C into a formula to find answer?? b.An oil drop is negatively charged and weighs 8.5 10-15 N. The drop is suspended in an electric field intensity of 5.3 ...
Tuesday, February 5, 2008 at 5:18pm by kailey

Molly
An electric charge is a fundamental unit if matter. It has the characteristic of being moved by changing magnetic fields, and vice versa..moving electrical charge creats changing magnetic fields. Electric charge is either positive, negative, or neutral, all matter has electric...
Wednesday, January 14, 2009 at 4:30pm by bobpursley

physics
f a typical family of four uses electric energy at an average rate of 458 W, how many kWh would their electric bill be for one month? Answer in kW
Tuesday, April 5, 2011 at 7:04pm by Megan

Physics
An electric dipole is formed from two charges, q, spaced 1.00cm apart. The dipole is at the origin, oriented along the y-axis. The electric field strength at the point (x,y)=(0cm,10cm) is 320N/C . What is the charge q? Give your answer in nC. What is the electric field ...
Friday, February 21, 2014 at 11:23pm by Allison

physics
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. (a) What is the electric field energy density at P? (b) A parallel-plate capacitor whose plates have area 0.110 m2 has a uniform electric field between its plates with the same ...
Friday, March 8, 2013 at 4:48pm by Beth

Physics-Charges
A wall has a negative charge distribution producing a uniform horizontal electric field. A small plastic ball of mass 0.0261 kg, carrying charge of −102 μC, is suspended by an uncharged, nonconducting thread 0.369 m long. The thread is attached to the wall and the ...
Wednesday, March 7, 2012 at 6:32pm by Joila

electric field intensity
Two 2.0 g spheres are suspended by 10.0 cm long light strings. A uniform electric field is applied in the x direction. If the spheres have charges of -5.0 10-8 C and +5.0 10-8 C, determine the electric field intensity that enables the spheres to be in equilibrium at = 10.
Saturday, January 17, 2009 at 8:26pm by tony

physics
a thin wire with linear charge density _ is surrounded by a conducting cylindrical shell. (a) If the electric field must be zero inside a conductor, is the electric field due to the wire shielded from extending beyond the conducting shell? (b) Find the electric field as a ...
Tuesday, September 23, 2008 at 2:43pm by al

physics
The electric potential in a certain region is V = a x2 + b x + c, where a = 14 V/m2, b = −19 V/m, and c = 61 V. Determine the position where the electric field is zero. Answer in units of m Please help!
Tuesday, July 9, 2013 at 11:49am by Kennedy

Physics
On a clear day, the Earths atmospheric electric field near the ground has a magnitude of 100 N/C and points vertically down. Inside the ground, the electric field is zero, since the ground is a conductor. Consider a mathematical box of 1.0 m x 1.0 m x 1.0 m, half below the ...
Sunday, February 14, 2010 at 9:24pm by Amy

Physical Science
ok so i keep getting one wrong on a 4 question test and failing so can someone tell me what im getting wrong 1. What causes an electric current in a wire? A. Electric fields cause atoms to move in the wire. B. Electrons flow because of electrical attraction and repulsion. C. ...
Friday, March 1, 2013 at 5:03pm by s

physics-Electric & magnetic fields
A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude 10 v/m and a uniform magnetic field of magnitude 10^-2 T. The electric and magnetic fields are parallel and are in the z-direction. In the following ...
Sunday, May 15, 2011 at 5:47am by Sandhya

physics
an electric field of 15000 N/C is directed along the positive x-axis, what is the electric force on an electron in this field?
Wednesday, May 25, 2011 at 3:53pm by Anonymous

physics
What is the rms value of the electric field in a sinusoidal electromagnetic wave that has a maximum electric field of 64 V/m?
Sunday, March 4, 2012 at 8:55pm by jazz

Physics
If the electric potential is given by V = (-1 volts/m4 )x2yz + (4 volts/m2)yz, find the electric field.
Wednesday, February 27, 2013 at 4:04pm by lindsey

Physics
A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 5.0 10-23 kg m/s from 1.4 10-23 kg m/s in a time of 6.5 10-6 s. What is the magnitude of the electric field?
Thursday, August 30, 2007 at 9:25am by Mary

11th grade
A thunderstorm has an electric field one night of 1.5 105 N/C. What is the magnitude of the electric force on an electron in such a field?
Thursday, December 16, 2010 at 5:20pm by jesse

physics
A hollow metal ball carrying an electric charge produces no electric field at a point: is it inside the ball?
Wednesday, May 11, 2011 at 8:53pm by ashley --- HELP PLEASEE!!!

Physics
What would happen when a dipole is placed in uniform electric field making an angle theta with the direction of electric field ?
Saturday, June 8, 2013 at 1:44am by Aman

Physics
What would happen when a dipole is placed in uniform electric field making an angle theta with the direction of electric field ?
Saturday, June 8, 2013 at 6:29am by Sneha

physics
The electric field in a region is given by E=ayi + axj, where a= 2V/m^2 is a constant. What is the electric potential difference between the origin and the point x= 1m, y= 2m? Do I use the formula E= - deltaV= - (V/x)i+(V/y)j+(V/z)k)?
Thursday, February 28, 2008 at 9:51pm by Jessica

physics
while many properties are similar, one important difference between electric and gravitational forces is that unlike gravity, electric charge: a)can be transferred b) objeys an inverse-square law
Monday, March 28, 2011 at 11:39pm by Nabil

physics
A force of 0.053 N is required to move a charge of 36 a distance of 30 cm in a uniform electric field. What is the size of the electric potential difference between the two points?
Thursday, January 12, 2012 at 9:47pm by tyler

Physics
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. A parallel-plate capacitor whose plates have area 0.109 m2 has a uniform electric field between its plates with the same energy density as the answer to part a. What is the ...
Thursday, July 1, 2010 at 3:50pm by Drew

Applied Physics
electric field is a vector quantity. electric force is a vectory quantity.
Sunday, May 29, 2011 at 5:27pm by Anonymous

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