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1. |
For a series RLC circuit driven by voltage v = vmsinωt, the current is given by i = im sin(ωt + φ), the average power loss over a complete cycle is given by 'P' = _________. |
A. | V I tanφ |
B. | V I cos2φ |
C. | V I tan2φ |
D. | V I cosφ |
Answer» E. | |