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A point charge is placed at the centre of a sphere of radius 10cm. Another charge is kept at a distance of 20 cm from the centre of the sphere. Then electric flux through the surface of the sphere is
detailed solution
Correct option is B
Qnet=Net charge enclosed by the sphere =2×10−6Coul∴By Gauss’s law, ϕE=Qnetε0=2×1068.85×10−12V-m=2.26×1017V-mTalk to our academic expert!
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