JEE MAIN - Physics (2021 - 27th August Morning Shift - No. 8)

Calculate the amount of charge on capacitor of 4$$\mu$$F. The internal resistance of battery is 1$$\Omega$$ :

JEE Main 2021 (Online) 27th August Morning Shift Physics - Capacitor Question 73 English
8 $$\mu$$C
zero
16 $$\mu$$C
4 $$\mu$$C

Explanation

On simplifying circuit we get

JEE Main 2021 (Online) 27th August Morning Shift Physics - Capacitor Question 73 English Explanation
No current in upper wire.

$$\therefore$$ $${V_{AB}} = {5 \over {4 + 1}} \times 4 = 4$$ v

$$\therefore$$ $$\theta$$ = (Ceq)v

$$\Rightarrow$$ 2 $$\times$$ 4 = 8 $$\mu$$C

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