question_answer

Study the statements given below:

(i) Electromagnets can be made more powerful than ordinary bar magnets.

(ii) Soft iron is easy to magnetize and

(iii) The poles of an electromagnet are not affected by the direct on of the current.

Which of the above statements about the electromagnets are correct?

A)  Only (i) and (ii)

B)       Only (ii) and (iii)

C)                   Only (i) and (iii)            

D)       (i), (ii) and (iii)