Which of the following correctly explains why soft iron is proffered to steel in electromagnets?...
PHYSICS
JAMB 1993
Which of the following correctly explains why soft iron is proffered to steel in electromagnets? i. soft iron is more readily magnetized than steel. ii. soft iron is more readily demagnetized than steel. iii. soft iron retains magnetism more than steel.
- A. i only
- B. ii and iii only
- C. i and ii only
- D. i, ii, and iii.
Correct Answer: C. i and ii only
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