An AC circuit with a (240-mathrm{V}) peak emf has a (30.0-Omega) resistor connected in series to a

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An AC circuit with a \(240-\mathrm{V}\) peak emf has a \(30.0-\Omega\) resistor connected in series to a capacitor for which the capacitive reactance is \(X_{C}=60.0 \Omega\).

(a) What is the phase constant?

(b) What is the average rate at which energy is dissipated in the circuit?

(c) If the resistance in the circuit is \(20.0 \Omega\), what would the capacitive reactance have to be in order for the power factor to be 0.15 ?

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