Question

A sphere of radius R and charge Q is placed inside a concentric imaginary sphere of radius 2R.the flux associated with the imaginary sphere is?

Answer 1

A sphere of radius R and charge Q is placed inside a concentric imaginary sphere of radius 2R.the flux associated with the imaginary sphere is?

solution : according to Gaussian theorem, electric flux associated with a gaussian surface is the ratio of total charge enclosed inside the surface to permittivity of medium.

e.g., $\bf{\phi=\frac{Q_{en}}{\epsilon_0}}$ if medium is air or vaccum, we take permittivity = $\epsilon_0$ = 8.85 × 10^-12 C²/Nm²

so, charge enclosed inside imaginary sphere = Q

so, electric flux associated with the imaginary sphere = Q/$\epsilon_0$

Answer 2

Explanation:

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