A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielectric slab of dielectric constant K, which can just fill the air gap of the capacitor, is now inserted in it. Which of the following is incorrect?.
A
The change in energy stored is 
.
.
B
The charge on the capacitor is not conserved.
C
The potential difference between the plates decreases K times.
D
The energy stored in the capacitor decreases K times.
Text Solution
Verified by ExpertsThe correct answer is:
B
Due to dielectric insertion, new capacitance
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