Question

1) 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, 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 terminals of device a, by copper wires, then part c of device a gets heated and
glows to produce light
i. a) what is the device a? _
b) what is the device b?
ii. name the part c of device a.
iii. in device, a or b, the two terminals are marked (+) and

Answer 1

Answer:

If we join two terminals of electric cell directly through a wire, the chemical in an electric cell get used up very fast and the cell will stop working.

Ans: Arrangement that provides a complete path for electricity to pass (current to flow) is known as electric circuit.