Question

# A 250V, 100 Hz sinusoidal supply is connected to a parallel network comprising three branches A,...

A 250V, 100 Hz sinusoidal supply is connected to a parallel network comprising three branches A, B, and C as follows: A, a coil of resistance 10 ohms; B, a series circuit of 5 ohms and inductive reactance of 9 ohms; C, a series circuit of 6 ohms, inductance of 50mH, and a capacitive reactance of 10 ohms. Determine

a) The apparent power of the combination

b) The rating and value of the capacitor to be connected in parallel to raise the power factor to 89%

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