Question

The power factor for a choke coil is ______.

विकल्प

• `R/((R^2 - ω^2L^2)1//2)`

• `R/((R^2 + ω^2L^2)1//2)`

• `(ωL)/R`

• `R/(ωL)`

Answer 1

The power factor for a choke coil is `underline(R/((R^2 + ω^2L^2)1//2))`