I need someone to work out this problem for me please:
A conducting sphere of radius 5.0 cm carries a net charge of 7.5
C. What is the
surface charge density on the sphere?
Homework Answers
A sphere of radius R, having a charge of magnitude Q,
has a charge density (charge per unit surface area) D, is given
by
D = Q/(4piR^2)
D=7.5 
C/(4pi*25*10^-4)
D=2.38*10^-4 c/m^2
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