CBSE 2024 · Region 1 · Set 3 · Q25 · 3 marks
(a)Draw the graphs showing the variation of the following with the frequency of ac source in a circuit :(i)Resistance(ii)Capacitive reactance(iii)Inductive reactance(b)Can the voltage drop across the inductor or the capacitor in a series LCR circuit be greater than the applied voltage of the ac source ? Justify your answer.
(a)
Draw the graphs showing the variation of the following with the frequency of ac source in a circuit :
(i)
Resistance
(ii)
Capacitive reactance
(iii)
Inductive reactance
(b)
Can the voltage drop across the inductor or the capacitor in a series LCR circuit be greater than the applied voltage of the ac source ? Justify your answer.
Marking-scheme solution
(i) Graph
(ii) Graph showing variation of capacitive reactance with frequency
(iii) Graph showing variation of Inductive reactance with frequency
(b) Anwer and Justification
(a) (i)
Alternating CurrentAC Voltage Applied to a Series LCR CircuitApplyshort_answermedium
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CBSE Class 12 Physics past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.