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1. |
Two inductors, and , are in parallel. has a value of 25 H and a value of 50 H. The parallel combination is in series with , a 20 H coil. The entire combination is across an ac source of 60 V at 300 kHz. The total rms current is |
A. | 87 mA |
B. | 870 mA |
C. | 87 A |
D. | 337 mA |
Answer» C. 87 A | |