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Grade 12Electrostatics

A point charge q is placed at the origin. Calculate the electric flux through the open hemispherical surface : (x-a)2 + y2 +z2 =a2 ,x≥a?

Profile image of Srijit singh
16 Years agoGrade 12
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1 Answer

Profile image of askIITianexpert IITDelhi
16 Years ago

Consider a sphere of radius '2a' cetered at origin.Now flux through them would be 'q/ε'.

Now the hemispherical surface mentioned in the question has 1/8th in area with respect to sphere described above & it is symmetrical about that also.

So flux would be simply q/8ε.

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