Electricity and Magnetism Study Guide

Front

What is the path called that electricity follows in a circuit?

Back

A circuit.

Front

What happens to the brightness of lights in a series circuit when more lights are added?

Back

They become dimmer.

Front

What device converts electrical energy into mechanical energy?

Back

An electric motor.

Front

What is a semiconductor used for in electronics?

Back

To amplify electrical signals.

Front

What type of energy transformation occurs in a car battery when it powers headlights?

Back

Chemical energy to electrical and light energy.

Front

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

Back

To conduct electricity.

Front

What is a series circuit?

Back

A circuit where components are connected in a single path.

Front

What is a parallel circuit?

Back

A circuit where components are connected across common points, providing multiple paths for current.

Front

What is the function of a switch in a circuit?

Back

To open or close the circuit, controlling the flow of electricity.

Front

What is resistance in an electrical circuit?

Back

The opposition to the flow of electric current.