PHYSICS
JAMB 2003 - Question 35
Physics 2003 JAMB Past Questions - Question 35: I. It retains its magnetism 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?
Choose the correct answers from the options given.
A:
B:
C:
D:
Correct Answer
A
Explanation
Iron is usually preferred to steel in the making of electromagnets because it is more easily magnetized and equally more easily demagnetized than steel
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