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If the potential drop across a circuit be represented by (40 +j 25) V with reference to the circuit current and power absorbed by

If the potential drop across a circuit be represented by (40 +j 25) V with reference to the circuit current and power absorbed by the circuit is 160 W, find the complex expression for the impedance. Find also (i) the power factor of the circuit and (ii) the magnitude of the impedance.

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