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1. Two similar coupled coils are connected in series. The total inductance in series aiding connection is 100 mH. If currents is 3 A, the energy stored in magnetic field is
(A): 0.225 J
(B): 0.45 J
(C): 0.9 J
(D): 1.8 J
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By: guest on 02 Jun 2017 01.06 am
Energy = 0.5 LI2.
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