4. A circuit consisting of a coil of resistance 122 and inductance 0.15 H in series with a capacitor of 12µF is connected to a variable frequency supply which has a constant voltage of 24 V. Calculate (a) the resonant frequency (b) the current in the circuit at resonance (c) the voltage across the capacitor and the coil at resonance. [(a) 153 Hz (b) 2 A (c) 224 V]

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Current Division Method

The generalized current divider formula is given by the following relation below,