Electric potential of disk with uniform surface charge
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A disk with radius R has uniform surface charge density .
By regarding the disk as a series of thin concentric rings, calculate the electric potential V at a point on the disk's axis a distance x from the center of the disk. Assume that the potential is zero at infinity. (Hint: Use the result that potential at a point on the ring axis at a distance x from the center of the ring is where Q is the charge of the ring.)
Calculate .
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- A disk with radius.doc
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The solution shows how to calculate the electric potential V at a point on the disk's axis a distance x from the center of the disk, which has uniform surface charge density. The solution is detailed and well presented.
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Active since 2006
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- A disk with radius.doc
A disk with radius has uniform surface charge density .
By regarding the disk as a series of thin concentric rings, calculate the electric potential
at a point on the disk's axis a distance from the center of the disk. Assume that the
potential is zero at infinity. (Hint: Use the result that potential at a point on the ring axis
at a distance x from the center of the ring is where is the charge of
the ring.)
Calculate .
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