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MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

The capacity of parallel plate condenser is 5 F. When a glass plate is placed between the plates of the condenser, its potential difference reduces to 1/8 of the original value. The magnitude of relative dielectric constant of glass is

Answer: (D)

Solution

At constant charge , so ; 4, 6 and 7 do not give a reduction to one-eighth. Hence the correct option is (d).

Question ID VK-075320