Electricity Review Losada

If an atom gains electrons, it becomes a

• positively charged ion.

• negatively charged ion.

• neutral atom.

• neutral ion.

If an atom loses electrons, it becomes a

• positively charged ion.

• negatively charged ion.

• neutral atom.

• neutral ion.

The strength of an electric field depends on the

• amount of charge that produced the field.

• distance from the charge.

• amount of charge on a test charge placed in the field.

• both amount of charge and distance.

If two opposite charges were brought near each other, they would

• attract each other.

• repel each other.

• cause static discharge.

• have no effect on each other.

What do electric forces between charges depend on?

• the quantity of charge involved.

• how far apart the charges are.

• both quantity of charge and how far apart they are.

• none of the above

Walking across a carpet is an example of charge being transferred by

• contact.

• static electricity.

• induction.

• friction.

If a neutral metal comb is held near an object with a negative charge, the comb will become charged by

• induction

• friction

• contact

• static discharge.

What type of current is produced by a battery?

• parallel current

• alternating current

• direct current

• potential current

The type of current in your school is mostly

• direct current.

• series current.

• alternating current.

• produced by batteries.

Which of the following materials allows charges to flow easily?

• glass

• an electrical conductor

• an electrical insulator

• wood