IS chp 8.1

A material that contains a lot of _______________ is a good electrical conductor.

Which are the conductor?

• argon

• copper

• wood

• rubber

A/An ________________ is a system that transfers electrical energy from the source to the appliances.

What are the examples of the source?

• motor

• battery

• dynamo

What are the insulators?

• magnesium

• limestone

• iron

• carbon

Which liquid is a conductor?

• copper sulphate solution

• metal

• vinegar

• sugar solution

For a circuit to work, the whole loop must be made up of __________.

An _____________ is required to provide the push on the charges.

Which is not a complete conducting loop?

• broken circuit

• open circuit

• closed circuit

Which of the following is necessary for lighting a bulb?

• An energy source

• A complete conducting path for charges to flow

• A switch that is open