engineering recuitment DRDO Technician A 2022 Mock Test Series (Tier I) Electrician and Wireman Electrical Networks Alternating Current
In an A.C, RL series circuit voltage V leads the current I by an angle ϕ. The power factor is
1
Only ϕ of the angle
2
Sin ϕ of the angle
3
Cos ϕ of the angle
4
Tan ϕ of the angle