Saavas Topic 6: Electricity and Magnetism

Front

The negatively charged particle in an atom is a(n):

Back

Electron

Front

Positive electric charges

Back

repel positive charges and attract negative charges.

Front

The motion of electrons is called

Back

current

Front

A circuit with an open switch has its switch in the ________ position.

Back

Off

Front

A device that protects a circuit from having too much current is called a: switch, short, fuse or breaker, resistor

Back

fuse or breaker

Front

Voltage

Back

the potential electrical energy or push that makes electrons flow

Front

Materials that do not allow electrons to move are called

Back

insulators

Front

The relationship between voltage, current, and resistance is called __________ Law.

Back

Ohm's Law

Front

What happens when you rub a balloon on your head?

Back

Electrons are given by your hair to the balloon.

Front

A laptop is plugged into a 120 V outlet and uses 60 ohm's of resistance. How much current is running through it?

Back

2 Amps