I It retains its magnetic much longer than steel. II It is more easily magnetized than steel III It is more easily demagnetized than steel IV It produces a ...

Question 1 Report

I It retains its magnetic much longer than steel.

II It is more easily magnetized than steel

III It is more easily demagnetized than steel

IV It produces a stronger magnet than steel

Which combination of the above makes iron preferable to steel in the making of electromagnets?

I and II only

II and III only

I, III, and IV only

II, III and IV only

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