Electricity and Magnetism Review

Front

What is the symbol for a switch?

Back

The symbol for a switch is a break in the line with a small circle at one end.

Front

What is the circuit symbol for a battery?

Back

The circuit symbol for a battery consists of one long line and one short line, representing the positive and negative terminals.

Front

What device uses chemical energy to produce electricity?

Back

A battery is a device that converts chemical energy into electrical energy.

Front

What do magnets have at each end?

Back

Magnets have a north pole and a south pole.

Front

Where is the strongest part of a magnet located?

Back

The strongest part of a magnet is at the poles.

Front

What is an electric circuit?

Back

An electric circuit is a closed loop that allows electric current to flow.

Front

What is the difference between AC and DC current?

Back

AC (Alternating Current) changes direction periodically, while DC (Direct Current) flows in one direction.

Front

What is a conductor?

Back

A conductor is a material that allows electric current to flow through it easily.

Front

What is an insulator?

Back

An insulator is a material that resists the flow of electric current.

Front

What is electromagnetism?

Back

Electromagnetism is the interaction between electric currents and magnetic fields.