ELECTRIC CIRCUTE

Which one of these objects is a electrical conductor?

• Metal

• Plastic

• Rubber

• Paper

Which of these objects is an electrical insulator?

• Metal

• Rubber

• Copper

• Gold

Voltage is measured in __.

• volts.
• watts.
• coulombs. 

Current has units: 

• kilowatt·hour 
• ampere 
• coulomb 
• volt 

Why is a battery important in an electrical circuit?

• As a source of energy.

• As a path for electricity to flow through.

• As a connector to connect all parts of a circuit.

When a circuit is open, the lamp is _________?

• on

• off

This circuit won't work. What essential part is missing from this circuit?

• resistance
• source of electric current
• conductor
• ammeter

The force that pushes the electricity through a circuit is called...

• resistance
• voltage
• current
• switch

The flow of electricity through a conductor is called...

• resistance
• voltage
• current
• source of electric current

What slows down the flow of electricity in a circuit?

• resistance
• voltage
• current
• source of electric current