railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrical and Electronics Measurements Measurement of Frequency and Power Factor Measurement of Power Factor
For measurement of which of the following is a Low Power Factor (LPF) wattmeter NOT suitable?
1
Measurement of power in inductive loads
2
Open circuit test on single phase transformer
3
Measurement of power in resistive loads
4
Load test on induction motor