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Sketch a labelled graph showing variation of impedance Z of a series LCR circuit with the frequency…
Sketch a labelled graph showing variation of impedance Z of a series LCR circuit with the frequency f of an ac supply. Mark the resonant-frequency as $f_{0}$.
Draw: labelled graph showing variation of impedance Z of a series LCR circuit with the frequency f of an ac supply
Must show: resonant frequency $f_{0}$, minimum impedance $Z = R$ at $f_{0}$
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From ISC 2026 Improvement Physics Paper 1, question 5.