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प्रश्न
Give any one definition of power factor.
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उत्तर
The Power Factor is the ratio of True Power (measured in Watts) to Apparent Power (measured in Volt-Amperes) in an AC circuit.
Power factor (cos Φ) = `"True power"/"Apparent power"`
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संबंधित प्रश्न
(a) An emf e = e0 sin ωt applied to a series L - C - R circuit derives a current I = I0sinωt in the circuit. Deduce the expression for the average power dissipated in the circuit.
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