A capacitor (C) and resistor (R) are connected in series with an ac source of voltage of frequency 50 Hz. The
potential difference across C and Rare respectively 120 V, 90 V, and the current in the circuit is 3 A. Calculate
(i) the impedance of the circuit
(ii) the value of the inductance
which when connected in series will C and Rwill make the power factor of ciruit unity .
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