Question

# The capacitance of a parallel plate capacitor is when the region between the plate has air. This region is now filled with a dielectric slab of dielectric constant . The capacitor is connected to a cell of emf , and the slab is taken out

This question has multiple correct options
A

B

C

D

# the external agent has to do amount of work to take the slab out

Medium

## Solution

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Correct option is
A

D

# the external agent has to do amount of work to take the slab out

## After inserting the dielectric the capacitance will be The charge flow through the cell when the slab insert is  The charge flow through the cell when the slab is taken out Net charge flow through the cell The amount of work for taking out slab is

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