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

question 32

Multiple Choice

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

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

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