S K Jain and Shailesh K Jain Solutions for Chapter: Electric Current and Its Effects, Exercise 3: Oral Questions

Author:S K Jain & Shailesh K Jain

S K Jain Science Solutions for Exercise - S K Jain and Shailesh K Jain Solutions for Chapter: Electric Current and Its Effects, Exercise 3: Oral Questions

Attempt the free practice questions on Chapter 14: Electric Current and Its Effects, Exercise 3: Oral Questions with hints and solutions to strengthen your understanding. Science 7 solutions are prepared by Experienced Embibe Experts.

Questions from S K Jain and Shailesh K Jain Solutions for Chapter: Electric Current and Its Effects, Exercise 3: Oral Questions with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 1

Which energy transformation occurs during magnetic effect of current?

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 2

Which metal is used for making the core of an electromagnet?

MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 3

What happens when a wire carrying electric current (DC) is placed near a magnetic needle?

EASY
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 4

Name two devices which are based on the use of electromagnet.

MEDIUM
7th CBSE
IMPORTANT
Science 7>Chapter 14 - Electric Current and Its Effects>Oral Questions>Q 5

Which part in an electric bell is involved in make-and-break operation?