A current of 1 A in the coil of an iron cored electromagnet causes B = – McqOptions

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1.	A current of 1 A in the coil of an iron cored electromagnet causes B = 0.5T. If current is 2A, B =
A.	0.5 T
B.	1 T
C.	1 T or more
D.	1 T or less
Answer» E.

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