Questions
The number of electrons to be put on a spherical conductor of radius 1 m to produce an electric field of 0.036 N/C just above its surface is
a
2.7×105
b
2.6×105
c
2.5×107
d
2.4×105
detailed solution
Correct option is C
E=14πε0ner2 0.036=9×109n1.6×10-1912 ⇒n=2.5×107Talk to our academic expert!
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If q is the charge per unit area on the surface of a conductor, then the electric field intensity at a point on the surface is
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