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JEE Main 2019 Physics question

PhysicsElectrostatic Potential and CapacitanceJEE Main 2019

Voltage rating of a parallel plate capacitor is 500 V. Its dielectric can withstand a maximum electric field of V/m. The plate area is m. What is the dielectric constant if the capacitance is 15 pF? (given C/Nm)

Answer: (D)

Solution

d = V/E = m; \dfrac{Cd}{ε_0A}$ =

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Question ID VK-009235