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Electrostatic Potential And Capacitance

Question

Power factor can often be improved by the use of capacitor of appropriate capacitance in the circuit. Justify.

Solution

The numerical formula for power factor is given by,
$\cos θ = \frac{R}{\sqrt{R^{2} + {(ωL - \frac{1}{ωC})}^{2}}} .$

As the value of capacitor (C) is changed, the value of mpedence (Z) also changes, hence power factor can be imporved with the help of appropriate capacitance in the circuit.

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Electrostatic Potential And Capacitance

Power factor can often be improved by the use of capacitor of appropriate capacitance in the circuit. Justify.

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