Exercises
Jharkhand Board Science Solutions for Exercises
Simple step-by-step solutions to Exercises questions of Electric Current and Its Effects from SCIENCE : CLASS VII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercises with Hints & Solutions
The combination of two or more cells is called a _____.

When a current is switched ‘on’ in a room heater, it _____.
(Choose one of the following: produces heat/ produces wind).

The safety device based on the heating effect of electric current is called a _____.

To make a battery of two cells, the negative terminal of one cell is connected to the negative terminal of the other cell.

When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.

An electromagnet does not attract a piece of iron.

An electric bell has an electromagnet.

In the circuit shown below,
What will be the order in which the bulbs A, B and C will glow when the switch is moved to the ‘ON’ position?
