engineering recuitment NHPC JE & THDC JE 2023 Mock Test Electrical and Electronics Measurements Measurement of Energy
A single phase energy meter has a constant of 1200 revolution/kWh. When a load of 200 W is connected, the disc rotates at 4.2 revolutions per min. If the load is on for 10 hours, the meter records an excess of
1
0.1 kWh
2
0.2 kWh
3
1.0 kWh
4
2.0 kWh