engineering recuitment UPMRC JE 2024 Mock Test Electrical and Electronics Measurements Measurement of Power
A single-phase watt meter with a meter constant of 400 makes 2070 revolutions while operating on 230 V and 12.5 A for 2 hours. What is the power factor?
1
0.8
2
0.9
3
9.2
4
None of these