Question

‘A’ and ‘B’ are two condensers of capacities 2  and 4 They are charged to potential differences of 12V and 6V respectively. If they are now connected (+ve to +ve), the charge that flows through the connecting wire is :

A

24C from A to B

B

8 C from A to B

C

8C from B to A

D

24C from B to A

Hard

Solution

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Correct option is
B

8 C from A to B









Now when plates are attached total charge

Let x he charge on A then Q-x charge is on B



Now charge flows from A to B is given by,






Solve any question of Electrostatic Potential and Capacitance with:-

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