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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 17 - Electric Charge and Field > A uniformly charged and infinitely long line having a liner charge density λ is placed at a normal distance y from a point O. Consider a sphere of radius R with O as the center and R>y. Electric flux through the surface of the sphere is :

A uniformly charged and infinitely long line having a liner charge density λ is placed at a normal distance y from a point O. Consider a sphere of radius R with O as the center and R>y. Electric flux through the surface of the sphere is :

An uncharged aluminum block has a cavity within it. The block is placed in a region where a uniform electric field is directed upward.