engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Electrical Networks Alternating Current
20 HP 440 V 50 Hz three-phase motor takes a current of 25 amp lagging the voltage by 30°. It is working with the efficiency of
1
85%
2
90.5%
3
92.5%
4
None of the above