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For a 3 phase synchronous generator of terminal voltage as 1 pu and field excitation of 1.5 pu. If the resistive drop is 0.2 pv, then what can be concluded for power factor?

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For a 3 phase synchronous generator of terminal voltage as 1 pu and field excitation of 1.5 pu. If the resistive drop is 0.2 pv, then what can be concluded for power factor?

(a) Leading

(b) Lagging

(c) Upf

(d) Zpf

I got this question by my college director while I was bunking the class.

This key question is from Power Flow Through an Inductive Impedance topic in division Efficiency and Regulation of Electrical Machines

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The correct choice is (b) Lagging

Easiest explanation: Here Vt < Ef-Ia*ra.

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