Question

A +q charge is placed at centre of cylinder. Find flux through the curved surface area of cylinder

Answer 1

Answer:

Explanation:

             at the centre of the cylinder if charge is put

     inward flux = outward flux hence  net flux = 0

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Answer 2

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Here's ur answer

We know that,

Flux = Φ = E·ΔA

Ф = E·A·cosθ

E = kq/r²

A = 2πrh

θ = Angle between E and A = 0°

cosθ = cos0 = 1

Hence

Φ = E·A·cosθ

Φ = kq/r² × 2πrh × 1

Ф = 2kqh/r

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