Question

(a) Define electric flux. How the flux is expressed in terms of surface integral of the electric field. (b) Using Gauss’s law, find electric field intensity due to uniformly charged non-conducting sphere.
(c) Draw the graph showing variation of E with r.
OR
(a) What is the potential energy of a system of three charges q, q, and -q placed at the corners of an equilateral triangle of side a?
(b) Derive an expression for electric potential due to a charged spherical shell at an external point and hence on its surface.
(c) Two protons each having a speed of 106 ms-1 are far apart and approach each other. What will be the closest distance between them?

Answer 1

Answer:

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Answer 2

Explanation:

when the energy is store is the curtain material and when it is relaxed in environment , certain energy is produces by the position of object