Question

8
.
Which of these are not properties of
electromagnets?
(i) An increase in current increases its
strength.
(ii) They are permanent magnets.
(iii) They remain magnetised even after
the current is switched off.
(iv) They are of varying shapes and
sizes.
a) (i) and (ii)
b) (ii) and (iii)
c) (i) and (iv)
d) (ii) and (iv)​

Answer 1

Answer:

option ( B) IS CORRECT

BECAUSE THEY ARE TEMPORARY MAGNETS AND THEY LOST ALL THE MAGNETISM AFTER THE CURRENT IS SWITCHED OFF.

Answer 2

Answer:

the correct answer is option b)

(ii) and (iii)

Explanation:

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