NCERT Solutions for Chapter: Electric Current and Its Effects, Exercise 3: SHORT ANSWER QUESTIONS

Author:NCERT

NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Electric Current and Its Effects, Exercise 3: SHORT ANSWER QUESTIONS

Attempt the practice questions on Chapter 14: Electric Current and Its Effects, Exercise 3: SHORT ANSWER QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Science - Class 7 solutions are prepared by Experienced Embibe Experts.

Questions from NCERT Solutions for Chapter: Electric Current and Its Effects, Exercise 3: SHORT ANSWER QUESTIONS with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

Can we use the same fuse in a geyser and a television set? Explain.

EASY
7th CBSE
IMPORTANT

Name two electric devices for each where (i) heating effect of current is used and (ii) magnetic effect of current is used.

EASY
7th CBSE
IMPORTANT

Why do we cover plug pin holes which are within the reach of children with cello tape or a plastic cover when not in use?

MEDIUM
7th CBSE
IMPORTANT

Boojho made an electromagnet by winding 50 turns of wire over an iron screw. Paheli also made an electromagnet by winding 100 turns over a similar iron screw. Which electromagnet will attract more pins? Give reasons.