Chhattisgarh Board Solutions for Chapter: Electric Current and its Effect, Exercise 2: Answer these

Author:Chhattisgarh Board

Chhattisgarh Board Science Solutions for Exercise - Chhattisgarh Board Solutions for Chapter: Electric Current and its Effect, Exercise 2: Answer these

Attempt the free practice questions on Chapter 21: Electric Current and its Effect, Exercise 2: Answer these with hints and solutions to strengthen your understanding. Science & Technology Class - VII solutions are prepared by Experienced Embibe Experts.

Questions from Chhattisgarh Board Solutions for Chapter: Electric Current and its Effect, Exercise 2: Answer these with Hints & Solutions

MEDIUM
7th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VII>Chapter 21 - Electric Current and its Effect>Answer these>Q 1

From which alloy are the heating elements of electric heater and electric press made of?

MEDIUM
7th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VII>Chapter 21 - Electric Current and its Effect>Answer these>Q 2

What is the safety device used in an electric circuit called? 

MEDIUM
7th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VII>Chapter 21 - Electric Current and its Effect>Answer these>Q 3

Why is the fuse wire made of a material which has Low melting point?

MEDIUM
7th Chhattisgarh Board
IMPORTANT
Science & Technology Class - VII>Chapter 21 - Electric Current and its Effect>Answer these>Q 4

Write two uses of the electromagnet.