Electricity Quiz

What is electric current?

• A continuous flow of electric charges (electrons)

• A static accumulation of electric charges

• The energy stored in a battery

• The resistance to the flow of electric charges

What is the SI unit for electric current?

• Volt (V)

• Ampere (A)

• Ohm (Ω)

• Watt (W)

What is electric potential energy?

• The energy stored in a battery

• The energy due to the position of a charged particle in an electric field

• The energy used to move a car

• The energy produced by a generator

What happens to the potential energy of charges when they move apart?

• It increases

• It decreases

• It remains the same

• It fluctuates

What is voltage?

• The flow of electric charges

• The resistance to the flow of electric charges

• The difference in electric potential energy between two positions

• The power consumed by an electric device

What is the SI unit for voltage?

• Ampere (A)

• Ohm (Ω)

• Watt (W)

• Volt (V)

What is the source of voltage in the simple circuit shown in the image?

• A 1.5-volt battery

• A 12-volt battery

• A 9-volt battery

• A 3-volt battery

In the simple circuit, from which terminal to which terminal do the electrons flow?

• From the positive terminal to the negative terminal

• From the negative terminal to the positive terminal

• From the middle of the battery to the positive terminal

• From the positive terminal to the middle of the battery

What is the SI unit for electric current?

• Volt (V)

• Ampere (A)

• Ohm (Ω)

• Watt (W)

What must exist for an electric charge to move from one position to another?

• A difference in electric potential energy

• A difference in temperature

• A difference in mass

• A difference in speed