1 KW =

The element in electric cooker is made up of

Wastage of electricity can be reduced by using

Two or more cells joined together form a

If the circuit is open, then current

In parallel combination of electrical appliances, total electrical power

In series combination of electrical appliances, total electrical power.

Positive terminal of the dry cell is made of

Negative terminal of the dry cell is made of

Dry cell converts ………… energy into electrical energy.

Electric iron, electric cooker contain a coil of wire made of

In electric cooker the amount of heat produced in coil depends on

Where can the key or switch be placed in the circuit?

One of the following is preferable instead of fuse

1 unit of elecrical energy is equal to