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Physics · 2024 · 3 marks
CBSE 2024 · Region 1 · Set 3 · Q25
(a) Draw the graphs showing the variation of the following with the frequency of ac source in a circuit: (i) Resistance (ii) Capacitive reactance…
(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)
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CBSE Class 12 Physics past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.