The distance between the plates of a parallel-plate capacitor is 
. A field of 
is established between the plates. It is disconnected from the battery and an uncharged metal plate of thickness 
is inserted. What would be the potential difference (in 
) if a plate of dielectric constant 
is introduced in place of metal plate?
Text Solution
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(1.35) In case of a cipicitor as 
, the potential difference between the putes before the introduction of metal plate 
Now as after charging battery is re moved, capacitor is isolated so 
constant. If 
and 
are the capacity and potential after the introduction of plate.
And as 
and 
So in case of metal plate as 
And if instead of metal plate, dielectric with 
is introduced
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