A current of 1 A in the coil of an iron cored electromagnet cause a fl – McqOptions

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1.	A current of 1 A in the coil of an iron cored electromagnet cause a flux density of 0.2.T. If the current is 2 A, B=
A.	0.2 T
B.	0.4 T
C.	0.4 T or less
D.	0.4 T or more
Answer» C. 0.4 T or less

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