# Electric Field and Potential Questions and Answers

Physics
Electric Field and Potential Solutions
In the following circuit Vsource = 12 V and V1 V2. What is V3? a 6.0 V b 12.0 V c 4.0 V d 3.0 V
Physics
Electric Field and Potential Solutions
A positive test charge is brought near a positively charged ball. Describe what happens to the electric force, electric field, electric potential energy, and electric potential difference as the test
Physics
Electric Field and Potential Solutions
Charged spheres X and Y are in a set position and have charges +2.4 × 10^-6 C and +4.5 x 10^-7 C respectively. Calculate the net force on sphere Z, of charge -3.8 x 10^-7 C[T/I-4]
Physics
Electric Field and Potential Solutions
What is electrostatic force between a 55.0-nC charge and a 3720-μC charge that are 0.125-m apart?
Physics
Electric Field and Potential Solutions
A proton is moving away from a fixed proton attached to a piece of metal in interstellar space and the proton moves a distance of 2000 m. What work was done on the moving proton? Recall that W = Fd.
Physics
Electric Field and Potential Solutions
8. A metal sphere as a charge of +2.3 x 10-6C and lies 2 meters away from another metal sphere of unknown charge. If the attractive force present between the spheres is 0.05 N, what is the charge on
Physics
Electric Field and Potential Solutions
How far must a-8.31x10 4C charge be moved in a 7340N/C electric field to store 9.46J? 0.645m in the direction of the field 1.55m in the direction of the field 0.645m opposite to the direction of the
Physics
Electric Field and Potential Solutions
A uniform electric field is established on two plates that are 0.0300m apart. If the electric field is 1.25N/C what is the potential difference between the two plates? 0.0240V 26.7V 41.7V 0.0375V
Physics
Electric Field and Potential Solutions
What is the magnitude and direction of an electric field if a force of 23.8N is applied on a 4.89x102C directed away from the charge producing the field? 2.05x103 away from the charge 487N/C toward
Physics
Electric Field and Potential Solutions
What is the magnitude of the force between a charge of -7.5 x 10 C and a charge of 7.8 x 10 C that are separated by 2.0 meters? Is it attractive or repulsive?
Physics
Electric Field and Potential Solutions
An electron is separated from another point charge by a distance of 5 centimeters. The electrostatic force between them is -9.24 x 10-26 C. What is that point charge? (Coulomb's constant is 9.0 x 109
Physics
Electric Field and Potential Solutions
What is the potential difference between two plates that are located 0.55 m apart? Assume the magnitude of the electric field between the two plates is 5.39 x 10^6 N/C. Select one: a. 2.96 x 10^6 V b.