MHT CET Physics question

PhysicsElectrostatic Potential and CapacitanceMHT CET

The capacity of a parallel plate condenser is 15 F when the distance between its plates is 6 cm. If the distance between the plates is reduced to 2 cm, then the capacity of this parallel plate condenser will be

Answer: (C)

Solution

; reducing to one-third makes three times, $15×3=45\

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Question ID VK-075561