Sphere Radius from Charge Density (Jee Mains) | ExamDuo
Ask Doubts
Log in
Gauss's Law
Hard
Sphere Radius from Charge Density
Charge is distributed within a sphere of radius Rwith a volume charge density ρ (r) =
A
r
2
e
−
2
r
∕
a
, where A and a are constants. If Q is the total chargeof this charge distribution, the radius R is :
SELECT ONE OPTION
A
a
2
log
(
1
−
Q
2
π
a
A
)
B
a
log
(
1
−
Q
2
π
a
A
)
C
a
log
(
1
1
−
Q
2
π
a
A
)
D
a
2
log
(
1
1
−
Q
2
π
a
A
)
Ask about this question
Check