Question

An uncharged parallel plate capacitor filled with a dielectric of dielectric constant K is connected to an air filled identical parallel capacitor charged to potential . If the common potential is , the value of K is

A

B

C

D

E

Medium

Solution

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Correct option is D)

If the capacitance of the air filled capacitor is , then the capacitance of the dielectric field capacitor will be
Now, the common potential is
Here, , charge for air filled capacitor and as the dielectric filled capacitor is uncharged,
Thus,
or
or
or

Solve any question of Electrostatic Potential and Capacitance with:-

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