Statics, Charge & Current Review

The smallest amount of charge possible can be found on

• an electron or a proton

• a proton

• an electron

• a battery

Charge is measured in a unit called

• Coulombs

• Amperes

• Volts

• Electrons

In the image above each hair is away from the other.

This is because

• the hairs all have the same sort of charge and repel

• the hairs have different charges and repel

• the girl spent a lot of time with hair product

The picture shows a balloon sticking to a ceiling. The balloon gained a static charge by contact with hair. How does the wall gain charge?

• Someone rubbed hair on the ceiling.

• Someone rubbed rabbit fur on the ceiling.

• The negative charge on the balloon repels the negative charges in the ceiling further into the ceiling, so the ceiling gains a positive charge.

• The negative charge on the balloon attracts the positive charges towards the surface of the ceiling, so the ceiling gains a positive charge.

The symbol q represents

• charge

• current

• voltage

• quantity

Current is measured in

• Coulombs

• Watts

• Amperes

• Volts

A charge of 48 C flows for 6s. What is the current?

• 8 A

• 288 A

• 8 V

• 288 V