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Q. |
Calculate the active power in a 11710 H inductor. |
A. | 8245 w |
B. | 1781 w |
C. | 0 w |
D. | 1964 w |
Answer» C. 0 w | |
Explanation: the inductor is a linear element. it only absorbs reactive power and stores it in the form of oscillating energy. the voltage and current are 90° in phase in case of the inductor so the angle between v & i is 90°. p = vicos90° = 0 w. |
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