railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Measurement of Energy Induction Type Energy Meter
A single-phase induction watt-hour meter has a voltage of 200 V with 200 revolutions per kWh. What will be the speed of the meter disc if the current is 20 A at 0.8 pf lagging?
1
21.67 rpm
2
33.67 rpm
3
312.67 rpm
4
10.67 rpm