Electricity

What is a circuit?

• A constant flow of electricity

• A path that an electrical current can flow along

A __________ is a material that allows an electrical current to pass through it.

_________ are those materials which do not let an electrical current to flow through them.

Which of these is NOT an insulator

• Paper

• Wool

• Copper

• Plastic

Water is an insulator

• True

• False

Which of these is NOT a conductor

• Copper

• Sea water

• Silver

• Fabric

A ________ circuit is a closed path which allows electrical charge to flow through

A circuit is usually made up of three components.

• Electrical load

  Conductor

  Switch/Controller

• Energy source

  Switch/Controller

  Electrical load

• Switch/Controller

  Energy source

  Conductor

• Conductor

  Electrical load

  Energy source

A fourth component which may be found in a circuit is a

• switch/controller

• energy source

• electrical load

• conductor