Write an experiment to test whether a material is a conductor or an insulator.
Important Questions on Electricity and Magnetism
How many minimum number of switches are to be closed to glow the bulb in the figure drawn below.
Various parts on the outer surface of an electric cell are labelled A, B, C, and D respectively in fig.1. In fig.2, an incomplete circuit is shown . X and Y are the free ends of this circuit. To make the bulb glow, free ends X and Y of the circuit should be respectively connected to which part of the electric cell?
fig.1 fig.2
An open circuit is shown in the figure below:
Which of the following objects should be inserted in the gap to make the bulb glow?
Which material is used in making wires for an electric circuit? Why is it necessary to coat the wires with an insulating material?
Electrical gadgets stop working when the switch is turned OFF. Why?
