8.6 Electricity and Magnetism Review

Front

What is the invisible force around a magnet that allows it to attract metal objects?

Back

A magnetic field.

Front

What happens when a bar magnet is broken?

Back

Both pieces will have north and south poles.

Front

What principle states that 'opposites attract'?

Back

This principle applies to both electricity and magnetism.

Front

What does current measure in a circuit?

Back

The amount of electrons flowing through a circuit.

Front

What type of material allows electrons to flow easily?

Back

Conductor.

Front

What is the term for materials that do not allow electrons to flow easily?

Back

Insulator.

Front

What is the unit of measurement for electric current?

Back

Ampere (A).

Front

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

Back

Ohm's Law: V = I × R.

Front

What is a common example of a conductor?

Back

Copper.

Front

What is a common example of an insulator?

Back

Rubber.