engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Measuring Instruments
In the power measurement by two wattmeter method, reading of one wattmeter will read zero if the P.F. of the load is:
1
0.5 lagging
2
0.8 lagging
3
0.4 lagging
4
None of the above