The capacity of capacitor is 2μF. If a medium is placed between its plates, the capacity becomes 12μF. The dielectric constant of the medium will be [Pb. PMT 2003]
A
5
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B
4
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C
3
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D
6
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Solution
The correct option is D 6 Given, Aϵ0d=2 ...(i) with dielectric, kAϵ0d=12 ...(ii)