Questions
A point charge Q is placed at the vertex of a cone with height 12 cm and radius 5 cm. Then electric flux through the curved surface of the cone is
detailed solution
Correct option is D
At any point on the curved surface, the angle between the electric field vector and elementary area vector dA→ is 90o. ∴ΦE=∫E→.dA→=∫EdAcos90o=0Talk to our academic expert!
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