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Condenser A has a capacityof 15muF when ...

Condenser A has a capacityof `15muF` when it is filled with a medium of dielectric constant 15. Another condenser B has a capacity of `1muF` with air between the plates. Both are charged separately by a battery of 100 V. After charging, both are connnected in parallel without the battery and the dielectric medium being removed. The common potential now is

A

400 V

B

800 V

C

1200 V

D

1600 V

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