A Point Charge Q Is Located at the Center of a Sphere

question 65

Multiple Choice

A point charge q is located at the center of a sphere of radius R.Also concentrically inside the sphere is a uniform ring having linear charge density $\lambda$ and radius a (a <R) .The flux through the sphere is

• A)q/\(\varepsilon\)₀.
• B)(q + \(\lambda\)*2\(\pi\)a)/\(\varepsilon\)₀.
• C)(q - \(\lambda\)*2\(\pi\)a)/\(\varepsilon\)₀.
• D)0.

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