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1. |
Calculate the percentage error for a wattmeter which is so connected that the current coil is on the load side, The wattmeter has a current coil of 0.03Ω resistance and a pressure coil of 6000Ω resistance. It is also known that the load takes 20 A at a voltage of 220 V and 0.6 power factor. |
A. | 0.45% |
B. | 45% |
C. | 5.5% |
D. | 6.5% |
Answer» B. 45% | |