Multiple Choice
A current of 10 A in a certain inductor results in a stored energy of 40 J.When the current is changed to 5 A in the opposite direction, the stored energy changes by:
A) 20 J
B) 30 J
C) 40 J
D) 50 J
E) 60 J
Correct Answer:

Verified
Correct Answer:
Verified
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