Home Base Electricity & Magnetism

an object that does not conduct electricity

• conductor

• resistance

• insulator

• electromagnet

the measure of how much a material opposes the flow of electricity

• resistance

• conductor

• insulator

• electromagnet

a circuit that has only one path that electricity can follow

• insulator

• series circuit

• resistance

• parallel circuit

a circuit that has two or more paths that electricity can follow

• conductor

• parallel circuit

• resistance

• series circuit

a temporary magnet made up of a wire wrapped around a core

• conductor

• insulator

• resistance

• electromagnet

an object that allows electricity to flow

• conductor

• insulator

• resistance

• electromagnet

the buildup of charges on an object

• static electricity

• series circuit

• conductor

• insulator

What is a property of matter that causes objects to attract or repel each other?

• compass

• electric charge

• electric circuit

• electric field

Which is a characteristic of most electrical conductors?

• Positive charges move easily through them

• They can be cut easily

• They are soft and flexible

• Negative charges move easily though them

Which statement is TRUE about an electromagnet?

• It is a permanent magnet.

• Increasing the number of coils decreases its strength

• It cannot be turned off.

• It is made by wrapping current-carrying wire around an iron core.