A magnetic circuit is applied with a current that changes at a rate of – McqOptions

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1.	A magnetic circuit is applied with a current that changes at a rate of 5 A/sec. The circuit has an inductance of 2 H, then the self-induced EMF is:
A.	-4 V
B.	-10 V
C.	-2.5 V
D.	0.4 V
Answer» C. -2.5 V

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