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B.E.E Exam related question.

January 01, 2025

Q1)

If the load impedance is 20 - j20, the power factor is -

A) ∠ - 45°

B) 0

C) 1

D) 0.707

Answer: 0.707

Concept

The load impedance is given by:

Z = R + j X (for lagging load)

Z = R - j X (for leading load)

phasor dag

cal formula

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