If the resistance in an ac circuit is 100 ohms and the impedance is 120 ohms whats tge circuits power factor

Power factor = 0.83

Explanation:

The power factor is basically a measure of how efficiently power is being used.

Power factor can be calculated in many ways for example;

Where θ is the angle between voltage and current. in case of resistive load, voltage and current are "in phase" and there is 0 phase difference between them therefore, PF is 1 since cos(0) is 1.

Where P is real power or also known as true power with units of watts and S is the apparent power with units of Volt ampere VA.

Where R is the resistance and Z is the impedance.

Therefore, a circuit having a resistance of 100 Ω and impedance of 120 Ω has a power factor of 0.83.

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