S L Arora Solutions for Chapter: Magnetism, Exercise 2: VERY SHORT ANSWER CONCEPTUAL PROBLEMS
S L Arora Physics Solutions for Exercise - S L Arora Solutions for Chapter: Magnetism, Exercise 2: VERY SHORT ANSWER CONCEPTUAL PROBLEMS
Attempt the free practice questions on Chapter 5: Magnetism, Exercise 2: VERY SHORT ANSWER CONCEPTUAL PROBLEMS with hints and solutions to strengthen your understanding. New Simplified Physics (Vol 1) For Class 12 solutions are prepared by Experienced Embibe Experts.
Questions from S L Arora Solutions for Chapter: Magnetism, Exercise 2: VERY SHORT ANSWER CONCEPTUAL PROBLEMS with Hints & Solutions
How are wrist watches protected from powerful magnets?

Is the earth's magnetic field inside a closed iron box less or more than that outside it?

Why is core of an electromagnet made of ferromagnetic materials?
Or
Soft iron is used to make core of electromagnets. Why?

Why do we prefer steel or alnico for making permanent magnets?

What is the importance of magnetic permeability in magnetic recording?

Why is the core of a transformer made of a material (e.g., iron) of high permeability?

Write two characteristics of a material used for making permanent magnets.

Which is the material used in making the core of a moving coil galvanometer?
