Electricity and Magnetism

Front

What is a material that allows the free flow of electric charges?

Back

Conductor

Front

How can you make an electromagnet stronger?

Back

Increase the number of loops in the wire.

Front

What charge does a neutron have?

Back

It has no charge (it is neutral).

Front

What happens to the attraction between magnets as the distance between them increases?

Back

The attraction decreases.

Front

What charge does an electron have?

Back

Negative.

Front

What is an insulator?

Back

A material that does not allow the free flow of electric charges.

Front

What is a semiconductor?

Back

A material that can conduct electricity under certain conditions, often used in electronic devices.

Front

What is the relationship between current and voltage in a circuit?

Back

Ohm's Law states that current is directly proportional to voltage and inversely proportional to resistance.

Front

What is static electricity?

Back

A buildup of electric charge on the surface of objects.

Front

What is the function of a circuit breaker?

Back

To protect an electrical circuit from damage caused by overload or short circuit.