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1. |
An iron cored choke coil has an equivalent resistance of 4 Ω. It draws 10A from a single phase ac source of voltage 200 V, 50 Hz. Then, power consumed by the coil and its power factor respectively are: |
A. | 200 W, 0.2 lag |
B. | 400 W, 0.2 lag |
C. | 200 W, 0.2 lead |
D. | 400 W, 0.2 lead |
Answer» C. 200 W, 0.2 lead | |