Insulators have very high

 Kilowatt - hour is the unit of

For producing wind energy, the wind speed should be higher than

Unit of charge is

Name the commercial unit of electric energy.

A current 0.5 A is drawn by a filament of an electric bulb for 5 s. Find the amount of electric charge that flows through the circuit ?

Which of the following has conductivity more than good conductors and less than insulators?

The fusion process can be carried out only at an extremely high temperature of the order of

Which of the following instrument is used to measure current in a circuit?

The obstruction to the flow of electric current is called