Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 2: Let's Answer
Author:Vaishali Gupta, Shalini Bajaj & Supriya D.Sheshadri
Vaishali Gupta Science Solutions for Exercise - Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 2: Let's Answer
Attempt the free practice questions from Exercise 2: Let's Answer with hints and solutions to strengthen your understanding. Science Horizons solutions are prepared by Experienced Embibe Experts.
Questions from Vaishali Gupta, Shalini Bajaj and, Supriya D.Sheshadri Solutions for Exercise 2: Let's Answer with Hints & Solutions
EASY
7th CBSE
IMPORTANT
An electric wire heats up when an electric current passes through it.

EASY
7th CBSE
IMPORTANT
Two or more cells joined together form an electromagnet.

EASY
7th CBSE
IMPORTANT
An electric toaster works on the heating effect of electric current.

EASY
7th CBSE
IMPORTANT
An electric fuse wire is made of a material of very high melting point.

EASY
7th CBSE
IMPORTANT
An electromagnet retains its magnetic effect even when the electric current in it is switched off.
