(D) Statement-$I$ is true because a capacitor can be used to limit current in an $a.c.$ circuit without dissipating power, similar to a choke coil.Sta

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Statement-$I$ is true, Statement-$II$ is true; Statement-$II$ is the correct explanation of Statement-$I$.

(D) Statement-$I$ is true because a capacitor can be used to limit current in an $a.c.$ circuit without dissipating power, similar to a choke coil.Statement-$II$ is true because the capacitive reactance $X_C = 1 / (2\pi f C)$. For $d.c.$, $f = 0$, so $X_C = \infty$ (blocking $d.c.$), while for $a.c.$, it offers finite reactance.Since a capacitor provides reactance to limit current in $a.c.$ circuits without power loss, Statement-$II$ correctly explains why it can replace a choke coil.

Class 12 Physics Alternating Current Mix Examples-Alternating Current

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Statement-$I$: $A$ capacitor can be used in an $a.c.$ circuit in place of a choke coil.
Statement-$II$: $A$ capacitor blocks $d.c.$ and allows $a.c.$ to pass.

A
Statement-$I$ is true, Statement-$II$ is true; Statement-$II$ is not the correct explanation of Statement-$I$.
B
Statement-$I$ is false, Statement-$II$ is true.
C
Statement-$I$ is true, Statement-$II$ is false.
D
Statement-$I$ is true, Statement-$II$ is true; Statement-$II$ is the correct explanation of Statement-$I$.

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Mix Examples-Alternating Current

If the input voltage $V_i$ to the circuit below is given by $V_i(t) = A \cos (2 \pi f t)$ and the output voltage is given by $V_o(t) = B \cos (2 \pi f t + \phi)$,which one of the following four graphs best depicts the variation of $\phi$ versus $f$?

KVPY 2016

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An alternating power supply of $220 \,V$ is applied across a series circuit of resistance $10 \sqrt{3} \,\Omega$,capacitive reactance $40 \,\Omega$,and inductive reactance $30 \,\Omega$. The respective currents in the circuit for zero and infinite frequencies are

Medium

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An $AC$ source of $20\,V$ (assuming standard frequency $f = 50\,Hz$ for calculation) is connected to an inductance of $100\,mH$,a capacitance of $100\,\mu F$,and a resistance of $120\,\Omega$ as shown in the figure. The time in which the resistance,having a thermal capacity of $2\,J/^{\circ}C$,will get heated by $16^{\circ}C$ is ..........$s$.

DifficultJEE MAIN 2022

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At very high frequencies, the current $(i)$ in the given circuit is (in $A$)

DifficultTS EAMCET 2023

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Match the List-$I$ with List-$II$.

List-$I$ List-$II$

$A$. $AC$ generator $I$. Presence of both $L$ and $C$

$B$. Transformer $II$. Electromagnetic Induction

$C$. Resonance phenomenon to occur $III$. Quality factor

$D$. Sharpness of resonance $IV$. Mutual Inductance

Choose the correct answer from the options given below:

List-$I$	List-$II$
$A$. $AC$ generator	$I$. Presence of both $L$ and $C$
$B$. Transformer	$II$. Electromagnetic Induction
$C$. Resonance phenomenon to occur	$III$. Quality factor
$D$. Sharpness of resonance	$IV$. Mutual Inductance

MediumJEE MAIN 2023

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Statement-$I$: $A$ capacitor can be used in an $a.c.$ circuit in place of a choke coil.Statement-$II$: $A$ capacitor blocks $d.c.$ and allows $a.c.$ to pass.

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If the input voltage $V_i$ to the circuit below is given by $V_i(t) = A \cos (2 \pi f t)$ and the output voltage is given by $V_o(t) = B \cos (2 \pi f t + \phi)$,which one of the following four graphs best depicts the variation of $\phi$ versus $f$?

An alternating power supply of $220 \,V$ is applied across a series circuit of resistance $10 \sqrt{3} \,\Omega$,capacitive reactance $40 \,\Omega$,and inductive reactance $30 \,\Omega$. The respective currents in the circuit for zero and infinite frequencies are

At very high frequencies, the current $(i)$ in the given circuit is (in $A$)

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Statement-$I$: $A$ capacitor can be used in an $a.c.$ circuit in place of a choke coil.
Statement-$II$: $A$ capacitor blocks $d.c.$ and allows $a.c.$ to pass.