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Which of the following is the equation for the potential field given a cylindrical capacitor?

V=Ap² + B. where A and B are constants.
O V=Alnp + B. where A and B are constants.
A
V=+B, where A and B are constants.
P
(The answer cannot be found on the other choices.)
OV=Ap+ B, where A and B are constants.

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