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To an ac power supply of \(220\mathrm{V}\) at \(50\mathrm{Hz}\) , a resistor of \(20\Omega\), a capacitor of reactance \…

Q1

To an ac power supply of \(220\mathrm{V}\) at \(50\mathrm{Hz}\) , a resistor of \(20\Omega\), a capacitor of reactance \(25\Omega\) and an inductor of reactance \(45\Omega\) are connected in series. The corresponding current in the circuit and the phase angle between the current and the voltage is, respectively -

a

\(15.6\mathrm{A}\) and \(30^\circ\)

b

\(15.6\mathrm{A}\) and \(45^\circ\)

c

\(7.5\mathrm{A}\) and \(30^\circ\)

d

\(7.8\mathrm{A}\) and \(45^\circ\)

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