Electric Potential
What is electric potential defined as?
The electric force per unit charge.
The electric potential energy per unit charge.
The electric field per unit charge.
The charge per unit volume.
Two point charges are placed on the x-axis. A charge of is at and a charge of is at . What is the electric potential at ?
-6.75 x 10^3
V
6.75 x 10^3
V
3.75 x 10^3
V
-3.75 x 10^3
V
What is the role of chemical processes in creating potential differences?
They neutralize charges, eliminating potential differences.
They separate positive and negative charges, creating potential differences.
They create magnetic fields, which induce potential differences.
They have no effect on potential differences.
The electric potential in a region is given by (in volts). What is the electric field at meters?
12 V/m
-6 V/m
6 V/m
-12 V/m
What is the relationship between electric field lines and equipotential lines?
They are always parallel to each other.
They are always perpendicular to each other.
They are always at a 45-degree angle to each other.
They are unrelated to each other.
A charge of +2 Coulombs is placed 2 meters away from a point. If the electric potential at that point is 9V, what is the work done in bringing a charge of +1 Coulomb from infinity to that point?
4.5 Joules
9 Joules
18 Joules
36 Joules
What is the electric potential at a distance of 3 meters from a single point charge of 6 \mu C
?
6,000 V
18,000 V
36,000 V
72,000 V

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If the change in electric potential energy () is 12 Joules when moving a charge of 4 Coulombs between two points, what is the potential difference () between these points?
3 Volts
4 Volts
8 Volts
48 Volts
Which of the following statements is true regarding equipotential lines?
Electric field vectors are tangent to equipotential lines.
No work is done moving a charge along an equipotential line.
Equipotential lines always point in the direction of the strongest electric field.
The electric potential varies greatly along an equipotential line.
What is the electric potential difference () defined as?
The change in electric force per unit charge.
The change in electric field per unit charge.
The change in electric potential energy () per unit charge.
The change in electric charge per unit volume.