Physics · Gauss's Law

A Gaussian spherical surface of radius R encloses two charges, +Q at its centre and -2Q at another point inside. A third charge +5Q is placed outside the spherical surface. Which of the following statements is true?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The electric field on the surface is determined only by the charges inside the sphere.
2The total electric flux through the surface is zero.
3The electric field on the surface of the sphere is uniform.
4The total electric flux through the surface of the sphere is -Qε0.✓

Correct answer

The total electric flux through the surface of the sphere is -Qε0.

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