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The figure shows a capacitor having three layers of equal thickness and same area as that of plate . the layer first is vaccum , second is conductor and third is dielectric of dielectric constant K . The ratio of energy stored in region three to total energy stored in capacitor three is :
- 1K+1
- 3K+1
- 4K+3
- 4K+1
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Hence, option A is correct answer.
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