R P Goyal and S P Tripathi Solutions for Chapter: Magnetism, Exercise 2: EXERCISE–10(B)

Author:R P Goyal & S P Tripathi

R P Goyal Physics Solutions for Exercise - R P Goyal and S P Tripathi Solutions for Chapter: Magnetism, Exercise 2: EXERCISE–10(B)

Attempt the practice questions on Chapter 10: Magnetism, Exercise 2: EXERCISE–10(B) with hints and solutions to strengthen your understanding. Concise Physics I.C.S.E Part I For Class 9 solutions are prepared by Experienced Embibe Experts.

Questions from R P Goyal and S P Tripathi Solutions for Chapter: Magnetism, Exercise 2: EXERCISE–10(B) with Hints & Solutions

EASY
9th ICSE
IMPORTANT

Name one device which use electromagnet.

MEDIUM
9th ICSE
IMPORTANT

Write two advantage of an electromagnet over a permanent magnet.,

MEDIUM
9th ICSE
IMPORTANT

State two differences between an electromagnet and permanent magnet.

MEDIUM
9th ICSE
IMPORTANT

Why a soft iron is used as the core of the electromagnet of an electric bell?

MEDIUM
9th ICSE
IMPORTANT

How the working of an electric bell is affected if the alternating current is used instead of direct current.

MEDIUM
9th ICSE
IMPORTANT

Name the material used for making the armature of an electric bell. Give a reason for your answer.

MEDIUM
9th ICSE
IMPORTANT

Electromagnets are made up of:

EASY
9th ICSE
IMPORTANT

The strength of an electromagnet can be increased by: