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PhysicsCapacitorCircuit AnalysisEasy2 minPYQ_2022
PhysicsEasysingle choice

Two capacitors having capacitance C1 and C2 respectively are connected as shown in figure. Initially, capacitor C1 is charged to a potential difference V volt by a battery. The battery is then removed and the charged capacitor C1 is now connected to uncharged capacitor C2 by closing the switch S. The amount of charge on the capacitor C2, after equilibrium, is

Question diagram: Two capacitors having capacitance C 1 and C 2 respectively a

Options:

Answer:
A
Solution:

The initial charge on the capacitor C1 will be Q=C1V. If after closing the  switch the charge flown through the circuit is q, the charge on C2 will be q and C1 will be Q-q. The potential across the capacitors will be same. Hence,

Q-qC1=qC2q=C2QC1+C2q=C1C2C1+C2V

Stream:JEESubject:PhysicsTopic:CapacitorSubtopic:Circuit Analysis
2mℹ️ Source: PYQ_2022

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