Electrical Engineering · Electrical Measurements
When is the percentage error during the testing of an energy meter directly obtained by comparing the number of revolutions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1When the meter under test and the rotating substandard meter constants are different
- 2When the meter under test and the rotating substandard meter constants are the same✓
- 3When the meter under test and the rotating substandard meter constants are both 1
- 4When the meter under test and the rotating substandard meter constants are both zero
Correct answer
When the meter under test and the rotating substandard meter constants are the same
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