Questions
A solid sphere of radius R is charged uniformly. The distance from the centre where the potential is half of its value at the centre
a
2R
b
R/2
c
R/3
d
4R/3
detailed solution
Correct option is D
potential at the centre of sphere is Vc= 3kq2rpotential at some distance x from centre Vx=kqxgiven Vx=12Vc substitute and solvekqx=1232kqrx=4r3Talk to our academic expert!
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