CBSE Class 12-science Answered
The volume charge density within a volume V is rho (r). What is the force on a small test charge q placed outside the volume having position vector r with respect to the same origin considered to specify the position vector of the charge distribution within the volume.
Asked by sd2021667 | 08 Dec, 2018, 10:41: AM
Expert Answer
Let R be the radius of sphere. Let us consider a spherical shell of radius s and thickness ds.
Charge of this sphere is (4πs2 ds)×ρ(s).
Electric field dE at P due to this charge of spherical shell is given by
where is the position vector of point P and is the distance of point P from origin O (Centre of Sphere)
Electric field E at the point P due to the sphere is given by
Force on a test charge q placed at P is
Answered by Thiyagarajan K | 09 Dec, 2018, 10:40: AM
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