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Questions
The power factor of an a.c. circuit is 0.5. What is the phase difference between voltage and current in this circuit?
If the power factor in an ac circuit is 0.5, what is the phase difference between the voltage and the current in the circuit?
Numerical
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Solution
Given: Power factor of an ac circuit = 0.5
Formula: Power factor = cos(Φ)
0.5 = cos(Φ)
Φ = cos−1(0.5)
= 60°
∴ The phase difference between voltage and current is 60°.
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