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1. |
An RLC series circuit has a resistance R of 20Ω and a current which lags behind the applied voltage by 45°. If the voltage across the inductor is twice the voltage across the capacitor, the value of inductive resistance is ____________ |
A. | 10 Ω |
B. | 20 Ω |
C. | 40 Ω |
D. | 60 Ω |
Answer» D. 60 Ω | |