1.

A short transmission line, having its line impedance angles as θ, is delivering a given power at the receiving end at a lagging power factor angle of ϕ. Which one of the following a set of conditions for which this line will have maximum and zero regulation respectively?

A. ϕ = θ, ϕ - θ = π/2
B. ϕ - θ = π/2, ϕ = θ
C. ϕ = θ, ϕ + θ = π/2
D. ϕ + θ = π/2, ϕ = θ
Answer» D. ϕ + θ = π/2, ϕ = θ


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