Derive an expression for the current and calculate the power factor

Derive an expression for the current and calculate the power factor




An alternating voltage represented by v =200 sin 2? 50 t + 20 sin 2? 150t is supplied to a coil of 25? resistance and 0.02H inductance connected in series with a condenser of 40 µF capacitance. Derive an expression for the current and calculate the power factor and power input in the circuit.





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