Electricity -Searcy

Electric current can flow only through a circuit that is ______.

• open

• closed

• positive

One source of electrical energy is

• conductor

• a battery

• voltage

A material that electric current passes easily is a...

• conductor

• insulator

• resistance

• switch

A device used to stop and start the flow of electric current in a circuit.

• a battery

• a conductor

• a switch

• an insulator

Material through which electric current does not pass easily

• conductors

• insulators

• circuits

• poles

Which circuit consists of bulb connected in series?

• 
• 

Which circuit consists of bulb connected in parallel?

• 
• 

In this circuit, what would happen if one of the bulbs are removed and left a gap in its place

• It would go out

• It would stay lit

In this circuit, what would happen if one of the bulbs was removed and left a gap in its place?

• It would go out

• It would stay lit

Wires are often made of copper because copper ___________.

• is a filament

• has high resistance

• is a good conductor

• uses fewer watts