Apyramid has a square base and four faces which are equilateral triangles. a charge q is placed on the center of the base of the pyramid. what is the net flux of electric field ? e emerging from one of the triangular faces of the pyramid? express your answer in terms of q and ? 0.

Φ=Q/8×ε_0

Explanation:

if we complete the Gaussian surface by attaching another pyramid of same specification by base to the original pyramid.

Then we have 8 identical triangular face.

Let the flux through 1 face is (Φ)

Therefore from 8 faces

8×(Φ)=Q/ε_0

therefore

or, Φ=Q/8×ε_0

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