Two condensers of capacities \[2C\] and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The p.d. across the capacitors will now be [IIT 1988]

Two condensers of capacities \[2C\] and C are joined in parallel and c

1.	Two condensers of capacities \[2C\] and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The p.d. across the capacitors will now be [IIT 1988]
A.	\[\frac{3V}{K+2}\]
B.	\[\frac{3V}{K}\]
C.	BD
D.	\[\frac{V}{K}\]
Answer» B. \[\frac{3V}{K}\]

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Two condensers of capacities \[2C\] and C are joined in parallel and charged upto potential V. The battery is removed and the condenser of capacity C is filled completely with a medium of dielectric constant K. The p.d. across the capacitors will now be [IIT 1988]

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