Network Analysis and Synthesis - ECE Questions and Answers

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A dc machine has 6 poles all connected in series. Each pole has 9 H inductance and field current is 2 A. Total inductance and total energy stored are

9 H and 18 J

18 H and 36 J

54 H and 108 J

108 H and 216 J

Answer : Option C

Explanation :

Total L = 6 x 9 = 54 H.

Energy = x 54 x 2² = 108 J.

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