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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
According to gauss's law flux is calculated for all enclosed charges. here no charge is enclosed except q so are all the options is correct ?
Figure (30-Q5) shows a charge q placed at the centre of a hemisphere. A second charge 1s placed at one of the positions A, B, C and D. In which position(s) of this second charge, the flux of the electric field through the hemisphere remains unchanged ? (a) A (b) B (c) C (d) D. D B
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Ruby negi![best-answer]()
another explaination:a & c are correct. reason-on flux there is no effect when from a closed surface incoming lines of forces have way to go out i.e outgoing lines of forces are present . In fig. when we draw lines of force from a & c they will intersect the curve at two points i.e. incoming & outgoing lines of forces are present i.e. no effect on flux ultimately. while when we draw line from b & d they will intersect curve at one point i.e. incoming lines of forces are present but outgoing lines of forces are absent means tht affects flux.
thank you madam😊