The current in the windings on a toroid is 2.0A. There are 400 turns a – McqOptions

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1.	The current in the windings on a toroid is 2.0A. There are 400 turns and the mean circumferential length is 40cm. If the inside magnetic field is 1.0T, the relative permeability is near to [AMU (Med.) 2002]
A.	100
B.	200
C.	300
D.	400
Answer» E.

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