flow of electricity

What is the main function of a battery?

• C. To produce sound

• D. To convert electrical energy into mechanical energy

• B. To store energy

• A. To produce light

What is the function of a wire in an electrical circuit?

• A. To produce light

• B. To store energy

• D. To convert electrical energy into mechanical energy

• C. To carry electricity

What happens when an open switch is in a circuit?

• D. It converts electrical energy into mechanical energy

• C. It prevents the flow of electricity

• B. It produces light

• A. Current flows through it

What does a bulb do when electric current flows through it?

• D. It converts electrical energy into mechanical energy

• C. It produces sound

• A. It produces light

• B. It stores energy

What is the function of a buzzer in an electrical circuit?

• B. To store energy

• A. To produce light

• D. To convert electrical energy into mechanical energy

• C. To remind and alarm

What type of energy does a motor convert electrical energy into?

• B. Sound energy

• C. Mechanical energy

• A. Light energy

• D. Chemical energy

What happens when an open switch is in a circuit?

• It converts electrical energy into mechanical energy

• It produces light

• It prevents the flow of electricity

• Current flows through it

What type of energy does a fan convert electrical energy into?

• Sound energy

• Mechanical energy

• Light energy

• Chemical energy

What is the purpose of a resistor in an electrical circuit?

• To produce light

• To store energy

• To convert electrical energy into mechanical energy

• To limit the flow of electricity