In the Two wattmeter method of measuring power in a balanced three-phase circuit, one wattmeter shows zero and the other positive maximum. The load power factor is ___________
(a) 0
(b) 0.5
(c) 0.866
(d) 1.0
This question was addressed to me during an interview.
My doubt stems from Problems Involving Coupling Coefficient in division Resonance & Magnetically Coupled Circuit of Network Theory
Select the correct answer from above options
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