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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > An infinite dielectric sheet having charge density σ has a holeof radius R in it. An electrom is released from point P on the axis of the hole at a distance 3–√R from the center. Find the speed with which it crosses the plane of the sheet.

An infinite dielectric sheet having charge density σ has a holeof radius R in it. An electrom is released from point P on the axis of the hole at a distance 3–√R from the center. Find the speed with which it crosses the plane of the sheet.

A long wire with a uniform charge density λ is bent in two configurations shown in fig. Determine the electric field intensity at point O. A segment of a charged wire of length l