Electricity and Magnetism Flashcard

Front

What is an insulator?

Back

A material that does not allow electric current to flow.

Front

What converts electrical energy to mechanical energy?

Back

Motors.

Front

What is current in electricity?

Back

The flow of electric charges from one place to another.

Front

What is a magnetic field?

Back

The field surrounding a magnet where magnetic forces act.

Front

What are electromagnets made of?

Back

Iron core, power source, and solenoid.

Front

What is a conductor?

Back

A material that allows electric current to flow.

Front

What is voltage?

Back

The electric potential difference that drives current through a circuit.

Front

What is resistance?

Back

The opposition to the flow of electric current.

Front

What is a solenoid?

Back

A coil of wire that generates a magnetic field when an electric current passes through it.

Front

What is a transformer?

Back

A device that changes the voltage of an electrical current.