Electricity and Magnetism

Neutrons are

• positive

• negative

• neutral

Electrons are

• positive

• negative

• neutral

Protons are

• positive

• negative

• neutral

opposite charges ____________ each other

• attract

• repel

like charges _____________ each other

• attract

• repel

The Law of Conservation of Charge states that electric charges _________ be transferred from object to object, but _________ be created or destroyed.

• cannot/can

• can/cannot

What type of charge transfer occurs when two objects are rubbed together?

• friction

• conduction

• induction

• polarization

The transfer of electrons from a cloud to the ground during a lightning strike is an example of:

• induction

• static discharge

What happens to electrons in a metal object when it is held near a negatively charged object?

• electrons are repelled by the field and move away

• electrons are attracted by the field and leave the metal object

The diagram represents

• a single negative charge

• a single positive charge