Question
Hard
Solving time: 4 mins
Analyze the given circuit in the steady state condition. Charge on the capacitor is .
(a) Find the current in each branch
(b) Find the emf of the battery.
(c) If now the battery is removed and the points and are shorted. Find the time during which charge on the capacitor becomes .
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Text solutionVerified
(a) Current in lower branch
Current in upper branch
(b) across the capacitor
From , we have
(c) After short-circuiting the battery, we will have to find net resistance across capacitor to calculate equivalent value of in discharging. and are in parallel. Similarly, and are in parallel. They are then in series.
During discharging
or
Solving this equation, we get Ans.
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Question Text | Analyze the given circuit in the steady state condition. Charge on the capacitor is . (a) Find the current in each branch (b) Find the emf of the battery. (c) If now the battery is removed and the points and are shorted. Find the time during which charge on the capacitor becomes . |
Topic | Electrostatic Potential and Capacitance |
Subject | Physics |
Class | Class 12 |
Answer Type | Text solution:1 |
Upvotes | 51 |