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Within a spherical charge distribution o...

Within a spherical charge distribution of charge density `rho(r)`, N equipotential surface of potential `V_(0), V_(0)+DeltaV, V_(0)+2DeltaV, … V_(0)+NDeltaV (DeltaV gt 0)`, are drawn and have increasing radii `r_(0), r_(1), r_(2), …. R_(N)`, respectively. If the difference in the radii of the surface is constant for all values of `V_(0)` and `DeltaV` then :-

A

`rho(r) alpha 1/r^(2)`

B

`rho(r)=` constant

C

`rho(r)alpha 1/r`

D

`rho(r) alpha r`

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The correct Answer is:
C
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