Chhattisgarh Board Solutions for Chapter: Electric Current and its Effect, Exercise 3: Questions for practice

Author:Chhattisgarh Board

Chhattisgarh Board Science Solutions for Exercise - Chhattisgarh Board Solutions for Chapter: Electric Current and its Effect, Exercise 3: Questions for practice

Attempt the free practice questions on Chapter 21: Electric Current and its Effect, Exercise 3: Questions for practice 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 3: Questions for practice with Hints & Solutions

MEDIUM
7th Chhattisgarh Board
IMPORTANT

In loudspeakers _____ (chemical/magnetic) effect of electric current is used. 

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Melting point of fuse wire is very _____ 

MEDIUM
7th Chhattisgarh Board
IMPORTANT

What are the important components necessary for an electric circuit?

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Explain the heating effect of electric current. 

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Write uses of magnetic effect of electric current.

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Write three uses of an electromagnet 

HARD
7th Chhattisgarh Board
IMPORTANT

Write the working method of an electric bell with the help of a labeled diagram. 

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Write important methods from preventing electric shocks.