Electric and Magnetic Forces

Front

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

Back

The attraction decreases.

Front

What is a temporary magnet with a magnetic field produced by electric current called?

Back

Electromagnetic.

Front

What happens to the voltage and brightness of lights when more batteries are added to a circuit?

Back

The voltage increases and the lights get brighter.

Front

What essential part is missing from a circuit if it won't work?

Back

Source of electric current.

Front

What term describes the effect of magnetism when a magnet pulls a paperclip toward it?

Back

Force.

Front

What is the definition of electric current?

Back

The flow of electric charge.

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 conductor?

Back

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

Front

What is the role of a resistor in a circuit?

Back

To limit the flow of electric current.