Question

A and B are two devices.Both these devices have two terminals each.If the two terminals
of device A are connected directly by a wire , nothing happens but when the two terminals of
device B are connected by a wire directly,it gets damaged quickly .When the two terminals
of device B are connected to the two terminals of device A,by copper wires , then part C of A
gets heated and glows to produce light.

Answer 1

Answer:

If the two terminals

of device A are connected directly by a wire , nothing happens but when the two terminals of

device B are connected by a wire directly,it gets damaged quickly .When the two terminals

of device B are connected to the two terminals of device A,by copper wires, then..