engineering recuitment GATE EE 2023-24 Test Series Electrical and Electronics Measurements Measurement of Power Measurement of AC Power
Consider the following statements regarding the two-wattmeter method
1. For the power factor angle of 30° one of the wattmeter will read '0' W
2. At unity power factor both the Wattmeter's read the same value.
3. If the reading of one wattmeter is two times the other then the power factor is equal to 0.866.
Which of the above statement(s) is /are correct?
1
2 only
2
1 and 3 only
3
2 and 3 only
4
1 and 2 only