Question

Figure (30-Q5) shows a charge q placed at the centre of

a hemisphere. A second charge Q is 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 ?​

Answer 1

Answer:

Figure shows a charge q placed at the centre of a hemisphere. A second charge Q is placed at one of the positions A, B, C and D . In which position/s ..

Explanation:

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Answer 2

Answer:

A and C are correct. For flux, there is no effect when incoming lines of forces have way to go out from a closed surface i.e outgoing lines of forces are present . Here, when we draw lines of force from A and 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 and D they will intersect curve at one point i.e. incoming lines of forces are present but outgoing lines of forces are absent means it affects flux.

Explanation:

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