Quiz about Electric Potential and Electric Potential Energy

Question 1

When these opposite charges get closer, what happens to their electrical potential energy?

Accepted Answer

decreases

Answer

increases

Answer

stays the same

Question 2

What is the electrical potential energy like when these same charges are far apart?

Accepted Answer

low

Answer

high

Answer

the same as when they are close

Question 3

What is the unit of electric potential?

Accepted Answer

Volt

Answer

Newton

Answer

Joule

Answer

Watt

Question 4

Which of the following is the correct formula for electric potential energy?

Accepted Answer

$$U = qV$$

Answer

$$U = \frac{1}{2}mv^2$$

Answer

$$U = mgh$$

Answer

$$U = \frac{kq_1q_2}{r}$$

Question 5

Electric potential is a scalar quantity. True or False?

Accepted Answer

True

Answer

False

Answer

Depends on the context

Answer

Cannot be determined

Question 6

What is the relationship between electric potential (V) and electric field (E)?

Accepted Answer

@@E = - abla V@@

Answer

$$E = V imes d$$

Answer

$$E = V^2$$

Answer

$$E = \frac{V}{r}$$

Question 7

Which of the following statements is true about electric potential energy?

Accepted Answer

It is the energy a charge has due to its position in an electric field.

Answer

It is the energy a charge has due to its motion.

Answer

It is the energy a charge has due to its mass.

Answer

It is the energy a charge has due to its temperature.

Question 8

If the electric potential at a point is zero, what can be said about the electric field at that point?

Accepted Answer

Nothing can be concluded.

Answer

The electric field is zero.

Answer

The electric field is non-zero.

Answer

The electric field is infinite.

Question 9

What happens to the electric potential energy when a positive charge moves in the direction of the electric field?

Accepted Answer

It decreases.

Answer

It increases.

Answer

It remains constant.

Answer

It becomes zero.

Question 10

Which of the following devices is used to measure electric potential difference?

Accepted Answer

Voltmeter

Answer

Ammeter

Answer

Galvanometer

Answer

Ohmmeter

Question 11

What is the electric potential at a point due to a point charge?

Accepted Answer

$$V = \frac{kq}{r}$$

Answer

$$V = \frac{q}{4 ext{ extpi} ext{ extepsilon}_0r^2}$$

Answer

$$V = \frac{1}{2}mv^2$$

Answer

$$V = IR$$

Question 12

In a uniform electric field, how does the electric potential change with distance?

Accepted Answer

It decreases linearly.

Answer

It increases linearly.

Answer

It remains constant.

Answer

It changes exponentially.

Question 13

Which of the following is an example of electric potential energy?

Accepted Answer

A charged capacitor

Answer

A moving electron

Answer

A spinning wheel

Answer

A heated wire

Question 14

What is the SI unit of electric potential energy?

Accepted Answer

Joule

Answer

Volt

Answer

Coulomb

Answer

Watt

Question 15

How is electric potential energy related to work done in moving a charge?

Accepted Answer

It is equal to the work done.

Answer

It is half the work done.

Answer

It is twice the work done.

Answer

It is unrelated to the work done.

Question 16

What is the electric potential energy of a system of two point charges?

Accepted Answer

$$U = \frac{kq_1q_2}{r}$$

Answer

$$U = qV$$

Answer

$$U = \frac{1}{2}mv^2$$

Answer

$$U = mgh$$

Question 17

Which of the following factors does not affect electric potential energy?

Accepted Answer

The mass of the object

Answer

The charge of the object

Answer

The distance between charges

Answer

The electric field strength

Question 18

What is the potential energy of a charge in a uniform electric field?

Accepted Answer

$$U = qEd$$

Answer

$$U = \frac{1}{2}mv^2$$

Answer

$$U = mgh$$

Answer

$$U = \frac{kq_1q_2}{r}$$

Question 19

How does the electric potential energy change when two like charges are brought closer together?

Accepted Answer

It increases.

Answer

It decreases.

Answer

It remains constant.

Answer

It becomes zero.

Question 20

What is the electric potential at the midpoint between two equal but opposite charges?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Infinite

Question 21

Which of the following describes the concept of equipotential surfaces?

Accepted Answer

Surfaces where the electric potential is constant.

Answer

Surfaces where the electric field is constant.

Answer

Surfaces where the magnetic field is constant.

Answer

Surfaces where the gravitational field is constant.

Question 22

What is the work done in moving a charge along an equipotential surface?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Depends on the path

Question 23

How is electric potential energy stored in a capacitor?

Accepted Answer

In the electric field between the plates

Answer

In the magnetic field around the plates

Answer

In the thermal energy of the plates

Answer

In the mechanical energy of the plates

Question 24

What is the effect of increasing the distance between two charges on the electric potential energy?

Accepted Answer

It decreases.

Answer

It increases.

Answer

It remains constant.

Answer

It becomes zero.

Question 25

Which of the following is true for the electric potential inside a conductor?

Accepted Answer

It is constant.

Answer

It varies with position.

Answer

It is zero.

Answer

It is infinite.

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science