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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
Electric field due to a charged sphere
I used the general formula of Electric field due to uniformly charged sphere and substituted charge = volume charge density x volume)
and then volume charge density (row) = kr . I got,
for r
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Som shekhar sharma Best Answer
use integral formula for calculation taking dq element at distance r then integrate you will get correct option. You formula is only valid for constant charge density. hope you understand this basic concept.
could u explain more on constant charge density... and how in this case charge density is not constant?
you can see in your problem rho is varing with distance. charge density must not be function of time or distance, for constant charge density.
okay got it! thankyou so much