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Question
A series combination of an inductor (L), capacitor (C) and a resistor (R) is connected across an ac source of emf of peak value E0, and angular frequency (ω). Plot a graph to show variation of impedance of the circuit with angular frequency (ω).
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Solution
The graph showing the variation of impedance (Z) of the circuit with angular frequency (ω) is shown below:
Here, ω0 represents the resonance frequency for the LCR circuit, and R is the resistance of the circuit.
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