400 micro coulomb charge is uniformly spread over the surface of a spherical shell and surface density is 0.314 C/m-2. ⇒ Surface charge density = 0.314
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400 micro coulomb charge is uniformly spread over the surface of a spherical shell and surface density is 0.314 C/m-2. Find the radius of this cell.
\green{\underline{\underline{\sf{\huge{GiveN \: :- }}}}}
GiveN:−
\sf \: charge \: = 400 \: micro \: coulombcharge=400microcoulomb
\sf \: surface \: charge \: density \: = 0.314 \: cm - 2surfacechargedensity=0.314cm−2
\blue{\underline{\underline{\sf{\huge{SolutioN \: :- }}}}}
SolutioN:−
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From given we have ,
\sf \: charge = 400 \: mc = 400 \times {10}^{ - 6} \: coulombcharge=400mc=400×10
−6
coulomb
We know that →
\sf \: surface \: area \: of \: spherical \: cell = 4\pi {r}^{2}surfaceareaofsphericalcell=4πr
2
Using the formula :-
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