What is the energy stored in 1 second in an inductor while carrying cu – McqOptions

MCQOPTIONS

1.	What is the energy stored in 1 second in an inductor while carrying current i = 20 + 10 t where t is the time in seconds if the electromotive force induced in the coil due to self-induction is 40 mV?
A.	1.8 J
B.	0.45 J
C.	0.9 J
D.	1.2 J
Answer» B. 0.45 J

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