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Capacitor question

2023 · Shift 1 · Q37

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JEE Advanced
Physics
Capacitor
2023 · Shift 1 · Q37

Capacitor question

2023 · Shift 1 · Q37

JEE AdvancedPhysicsCapacitorMultiple correct+4 / −2

In a circuit shown in the figure, the capacitor

C

is initially uncharged and the key

K

is open. In this condition, a current of

1 \mathrm{~A}

flows through the

1 \Omega

resistor. The key is closed at time

t=t_0

. Which of the following statement(s) is(are) correct? [Given:

e^{-1}=0.36

]

JEE Advanced 2023 Paper 1 Online Physics - Capacitor Question 3 English

A
The value of the resistance $R$ is $3 \Omega$ .
B
For $t \lt t_0$ , the value of current $I_1$ is $2 \mathrm{~A}$ .
C
At $t=t_0+7.2 \mu \mathrm{s}$ , the current in the capacitor is $0.6 \mathrm{~A}$ .
D
For $t \rightarrow \infty$ , the charge on the capacitor is $12 \mu \mathrm{C}$ .

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