Circuit 2-3 REVIEW

As the resistance of a circuit increases, the current will...

• increase
• decrease
• stay the same

Why is electrical wiring usually made from copper?

• Because copper is shiny

• Because copper conducts electricity

• Because copper is not magnetic

• Because copper insulate electricity

A material that does NOT let electricity pass through it is called ...

• An electrical conductor

• An electrical insulator

• An electrical source

• An electric appliance

Which of the following can work as an energy source?

• Battery
  
• Light bulb
• Wire
  
• All of them

Choose the correct sentence.

• This circuit will work because it is an open circuit.
• This circuit will work because it is a closed circuit.
• This circuit will NOT work because it is an open circuit.
• This circuit will NOT work because it is a closed circuit.

Why is electrical wiring usually covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Which of these materials is a good insulator?

• Plastic and metal
• Metal and rubber
• Plastic and rubber

What type of circuit is shown in the picture?

• Series Circuit

• Broken Circuit

• Parallel Circuit

• Open Circuit

What kind of circuit is this?

• series
• parallel

The circuit that has only one path for electricity to travel around.

• parallel circuit
• series circuit
• no circuit