Consider an infinite line charge having uniform linear charge density and passing through the axis of a cylinder. What will be the effect on the flux passing through the cylinder if the portions of the line charge outside the cylinder is removed.
A
decreases
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B
increases
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C
remains same
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D
cannot say
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Solution
The correct option is C remains same Flux passing through the cylinder depends only on the charge contained inside the cylinder. Even if portion of line charge outside the cylinder is removed, the flux through the cylinder remains same.