Question

How electronic magnet different is
from permanent magnet

Answer 1

Answer:-

Electromagnets :- Those substances which can be easily magnetized by passing current through it and easily demagnetized is known as electromagnets.

Electromagnets are temporary magnets.

Alloys like AlNiCO and Nipermeg is used to make electromagnets.

Permanent magnet:- They are natural magnets which can attract the pieces of iron,cobalts and nickel towards itself.

Difference between Electromagnets and permanent magnets.

• Electromagnets can easily magnetized or demagnetized.

• Their polarity can be changed but not in case of permanent magnets.

• Their magnetic strength can be increased or decreased but the strength of permanent magnets are fixed.

• Electromagnets are used in making various instruments like :- Sound box, crane, fan,etc.