A wire of linear charge density passes through a cuboid of l,b,h in such s manner that flux is maximum.the position of wire is now changed to get least flux.find the ratio of maximum to min. Flux....plzz answer !!
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Answer: {(l^2+b^2+h^2)^(1/2)}/ h
Explanation: When the wire is placed along the body diagonal of the cuboid we get the maximum flux through it and when the wire is kept parallel to the height of the cuboid we get the minimum flux through the cuboid.