A battery is a device that stores energy as

Expand CFL .

In an electric circuit diagram ,the term denoted by the arrow marked over the connecting wire symbol is called 

Who discovred electric bulb ?

Heat produced is more in a wire which is

Which is the smallest device that uses electricity to provide us light ?

A fuse wire is usually made up of an alloy of  lead and

Electric battery was inverted by

What happens when two wires touch each other ?