1.

Two inductors, L 1 and L 2 , are in parallel. L 1 has a value of 25 H and L 2 a value of 50 H. The parallel combination is in series with L 3 , a 20 H coil. The entire combination is across an ac source of 60 V r m s at 300 kHz. The total rms current is

A. 87 mA
B. 870 mA
C. 87 A
D. 337 mA
Answer» C. 87 A


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