1.

An infinite wire having charge density `lambda` passes through one of the edges of a cube having length l. find the total flux passing through the cube A. `(lambdal)/(epsilon_(0))`B. `(lambdal)/(4epsilon_(0))`C. `(lambdal)/(6epsilon_(0))`D. None of these

Answer» Correct Answer - B
Total flux from line charge
`=(q)/(epsilon_(0)) = (lambdal)/(epsilon_(0))`
Flux through cube `= (1)/(4)th` of total flux `= (1)/(4) xx (lambdal)/(epsilon_(0)) = (lambdal)/(4epsilon_(0))`


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