A parallel plate capacitor has plate of length is connected to a battery of emf V. A dielectric slab of same thickness ‘d’ and dielectric constant k = 4 is being inserted between the plates of the capacitor. At what length of the slab inside plates, will the energy stored in the capacitor be two times the initial energy stored?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
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