engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Electrical and Electronics Measurements Measurement of Energy Induction Type Energy Meter
A single-phase, 240 V induction type energy meter has a meter constant of 600 revolutions per kWh. For a load current of 10A at a power factor of 0.8 lagging, the speed of the disc in rpm is
1
57.6
2
38.4
3
19.2
4
9.6