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I think zero for second part..
as Field is Perpendicular to area..
Q1 A solid spherical region having a spherical cavity whose diameter R is equal to the radius of spherical region ,has total charge Q.Find electric field at point at distance x from the centre of spherical region and lying on axis.
Q2 A very long uniformly charged wire oriented along axis of a circle of radius R rests on its centre with one of its ends. The linear charge density is @ . Evaluate the flux of vector E across circle area???
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12 Answers
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1priyam its semi infinite wire is resting on disc on one of its ends
