Home Physics Alternating Current Mix Referring to the given circuit, match column…
Physics Alternating Current Mix MCQ (Single Correct)

Referring to the given circuit, match column-I with column-II:

Column-I

Column-II

(i) For ω = 8000 rad/s

[A] Peak current in the

circuit is less than 0.1 A

(ii) For ω = 10000 rad/s

[B] Voltage across the

combination and the

current are in same phase

(iii) For ω = 10500 rad/s

[C] Voltage across the

combination leads the

current

(iv) For ω = 10000 rad/s, if

R = 50 Ω instead of 100 Ω

[D] Current through the

circuit leads the voltage

across it

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Ans.

(i) [A], [D]

(ii) [A], [C]

(iii) [B], [D]

(iv)[B], [C]

Sol.

(i) Peak current in the circuit is less than 0.1 A, Current through the circuit leads the voltage across it

(ii) Peak current in the circuit is less than 0.1 A, Voltage across the combination leads the current

(iii) Voltage across the combination and the current are in same phase, Current through the circuit leads the voltage across it

(iv) Voltage across the combination and the current are in same phase, Voltage across the combination leads the current

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