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Q.A disc has σ=σ0r2σ = σ₀ r^2. The electric field at centre is

a
zero
b
σ0R2/(4ϵ0)\sigma_0 R^2 / (4 \epsilon_0)
c
σ0R/(2ϵ0)\sigma_0 R / (2 \epsilon_0)
d
σ0R2/(2ϵ0)\sigma_0 R^2 / (2 \epsilon_0)

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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A disc has σ = σ₀ r^2. The electric field at centre is... | ParikshaNiti