Electricity and Magnetism Review

Front

What increases the resistance of a wire?

Back

Increasing the temperature of the wire.

Front

What is the force that causes electric charges to move?

Back

Voltage difference.

Front

What decreases the strength of the magnetic field around a wire?

Back

Using less loops around the iron core.

Front

What is a good example of an insulator?

Back

Plastic plate.

Front

What happens when two like poles of magnets face each other?

Back

They will repel.

Front

What is resistance in an electrical circuit?

Back

The opposition to the flow of electric current.

Front

What is the unit of voltage?

Back

Volt (V).

Front

What is the relationship between current, voltage, and resistance?

Back

Ohm's Law: V = I × R.

Front

What is static electricity?

Back

A buildup of electric charge on the surface of objects.

Front

What is a conductor?

Back

A material that allows electric charges to flow easily.