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Draw the phasor diagram for a series LRC circuit connected to an AC source.

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Question

Draw the phasor diagram for a series LRC circuit connected to an AC source.

Diagram
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Solution

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2023-2024 (March) Board Sample Paper

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For an LCR circuit driven at frequency ω, the equation reads

`L (di)/(dt) + Ri + q/C = v_i = v_m` sin ωt

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To an ac power supply of 220 V at 50 Hz, a resistor of 20 Ω, a capacitor of reactance 25 Ω and an inductor of reactance 45 Ω are connected in series. The corresponding current in the circuit and the phase angle between the current and the voltage is respectively:


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