Question

a semi infinite wire of uniform linear charge density is placed as shown in figure.The conical surface is of radius R and height h. the electric flux through curved surface of the cone is

correct option is $\sqrt{2}$ lamda/ 3 e₀

Answer 1

Answer:

λR/2ε

Explanation:

Integration of λ/4πεx * 2πxdx (limit o to R) and you get the answer.

Here, we have used formula of electric field of semi infinite wire at distance x=xλ/4πε and area of elemental ring=2πxdx

solving we get φ=λR/2ε

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