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1. |
A 230-V, 50-A energy meter on full load test makes 61 revolutions in 37 seconds. If the meter constant is 520 rev/kwh, what is the percentage error? |
A. | 0.67% |
B. | 0.76% |
C. | 1% |
D. | 0.24% |
Answer» C. 1% | |