- #1
newyorkcity
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Homework Statement
Given a charged metallic spherical shell of radius a=2.75cm, with a potential of 2.5kV a distance of r=6.0cm from the center of the shell, what is the charge on the shell? Calculate the potential on the surface of the shell.
Homework Equations
V=kQ/r
The Attempt at a Solution
I am assuming that I should just insert values into the equation, so...
2500V = (8.99E9)(Q)/(.060m)
Q = 1.7E-8
Is this calculation correct? I am not sure if the radius of the shell needs to be considered. Also, am I using the right units and are the units of Q Coulombs?