SHORT ANSWER CONCEPTUAL PROBLEMS
S L Arora Physics Solutions for Exercise - SHORT ANSWER CONCEPTUAL PROBLEMS
Simple step-by-step solutions to SHORT ANSWER CONCEPTUAL PROBLEMS questions of Magnetism from New Simplified Physics (Vol 1) For Class 12. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from SHORT ANSWER CONCEPTUAL PROBLEMS with Hints & Solutions
Why does a paramagnetic substance display greater magnetisation for the same magnetising field when cooled ? How does a diamagnetic substance respond to similar temperature changes?
Three identical specimens of magnetic materials Nickel, Antimony, Aluminium are kept in a uniform magnetic field. Draw the modification in the field lines in each case. Justify your answer.
The susceptibility of a magnetic material is . Identify the type of magnetic material and state its two properties.
Draw magnetic field lines when a (i) diamagnetic (ii) paramagnetic substance is placed in an external magnetic field. Which magnetic property distinguishes this behaviour of the field lines due to the two substances?
Briefly explain how will you demagnetise a piece of iron completely.
Name materials, one in each case, which are suitable for core of an electric transformer. Justify your answer.
Name the three types of magnetic materials which behave differently when placed in a non-uniform magnetic field. Give two properties for each of them.
What are permanent magnets ? State, briefly, an efficient way of making a permanent magnet. Write two properties to select suitable materials for making permanent magnets.
