Charge and Current Quiz

Protons have a _____ electrical charge; electrons have a ______ electrical charge.

• positive; negative

• negative; positive

• positive; neutral

• neutral;negative

Opposite charges ______, and like charges _______

• attract; repel

• repel; attract

Charging by ______ is the rearrangement of electrons on a neutral object caused by a nearby charged object.

• induction

• conduction

• friction

________ are materials that do not allow electric current to pass through easily

• insulators

• conductors

• resistors

_______ is the accumulation of electrical charges on an object

• static electricity

• dynamic electricity

• compound electricity

Current is usually the flow of ______.

• electrons

• protons

• neutrons

Charges flow from ______ voltage to _____ voltage

• high:low

• low:high

The tendency for a material to oppose the flow of electrons is called ________.

• resistance

• opposition

• stopflow

Making wires thinner, longer, or hotter _______ the resistance.

• increases

• decreases

• has no effect on

Identify the following material as a conductor or insulator:

Rubber

• conductor

• insulator