railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Measurement of Energy
An energy meter revolves 100 revolutions of disc for one unit of energy. Find the number of revolutions made by it during an hour when connected across load, which takes 20 A at 210 V and 0.8 power factor leading. If energy meter revolves 350 revaluation, find the percentage error.
1
6.87 %
2
5.98 %
3
2.89 %
4
4.17 %