Question

Write two properties of materials suitable for making permanent magnet

Answer 1

Answer:

YOUR ANSWER IS -

Explanation:

Properties of the material of an electromagnet :

(1) The material should have low retentivity so that it gets demagnetised easily.

(2) For the electromagnet to be very strong, it should have a high value of saturation magnetisation.

(3) It should have low coercivity .

Answer 2

$\huge\bold\yellow{hyy brainly user!}$

● Two properties:-

1) By coiling a copper wire around a soft iron.

2) Rub a permanent magnet to a soft iron bar.

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