1.

Power consumed by a balanced 3 – phase, 3 – wire load is measured by the two wattmeter method. The first wattmeter reads twice that of the second, then the load impedance angle in radians is –

A. \(\frac{\pi }{{12}}\)
B. \(\frac{\pi }{{8}}\)
C. \(\frac{\pi }{{6}}\)
D. \(\frac{\pi }{{3}}\)
Answer» D. \(\frac{\pi }{{3}}\)


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