Energy stored in a coil of self inductance 40mH carrying a steady curr – McqOptions

MCQOPTIONS

1.	Energy stored in a coil of self inductance 40mH carrying a steady current of 2 A is [Kerala (Engg.) 2001]
A.	0.8 J
B.	8 J
C.	0.08 J
D.	80 J
Answer» D. 80 J

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