Electrical Engineering · Electrical Measurements
A 50 A, 230 V energy meter on full-load test makes 61 revolutions in 37 seconds. If the normal disc speed is 500 revolutions/kWh, find the percentage error.
- 13.22%✓
- 21.89%
- 35.66%
- 48.43%
Correct answer
3.22%
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