A total charge Q is uniformly distributed through-out a spherical volume of radius a. Which of the following is a dimensionally correct expression for the potential difference between the center of the sphere and its surface?
a. (1/8πε0)Q
b. (1/8πε0)Qa^2
c. (1/8πε0)Qa
d. (1/8πε0)Q/a
e. (1/8πε0) Q/a^2
Answers: 1
which is dimensionally and equally the same as 
. Then, we will have 
and 
as the same dimension.Another question on Physics
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A total charge Q is uniformly distributed through-out a spherical volume of radius a. Which of the f...
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