Electric Potential - Review for AP Physics C: Electricity and Magnetism

The video tutorial covers the concept of electrostatic force as a conservative force and its relation to electric potential energy. It explains how the electric field is related to the electrostatic force and potential energy changes. The tutorial compares gravitational and electric potential energy, highlighting the conservation of energy. It defines electric potential and potential difference, emphasizing that electric potential is a scalar quantity. The video concludes with a discussion on the units for electric field and potential, explaining the equivalence of different units.

What is the relationship between electrostatic force and potential energy?

• Electrostatic force is the derivative of potential energy with respect to position.

• Electrostatic force is the integral of potential energy with respect to position.

• Electrostatic force is the sum of potential energy and kinetic energy.

• Electrostatic force is unrelated to potential energy.

How is the electric field related to the electrostatic force?

• Electric field is unrelated to electrostatic force.

• Electric field is the sum of electrostatic force and charge.

• Electric field is the product of electrostatic force and charge.

• Electric field is the electrostatic force divided by charge.

What happens to the electric potential energy of a positive charge when it moves opposite to the electric field?

• It becomes zero.

• It increases.

• It remains constant.

• It decreases.

How does the electric potential energy of a negative charge change when it moves in the direction of the electric field?

• It becomes zero.

• It decreases.

• It remains constant.

• It increases.

What is the electric potential difference?

• The product of electric potential and charge.

• The sum of electric potential at two points.

• The integral of electric potential over a path.

• The difference in electric potential between two points.

What are the units of electric potential?

• Joules per meter

• Volts

• Newtons per coulomb

• Amperes

What is the scalar nature of electric potential?

• Electric potential has only magnitude.

• Electric potential has both magnitude and direction.

• Electric potential is unrelated to electric fields.

• Electric potential is a vector quantity.