73. A disk of radius \( R \) (Fig. P25.73) has a nonuniform surface charge density \( \sigma= \) \( C r \), where \( C \) is a constant and \( r \) is measured from the center of the disk to a point on the surface of the disk. Find (by direct integration) the electric potential at \( P \). Figure P25.73
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The surface charge density on this ring is given by \( \sigma = Cr \). Show more…
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A disk of radius $R$ (Fig.P25.73) has a nonuniform surface charge density $\sigma=$ Cr, where $C$ is a constant and $r$ is measured from the center of the disk to a point on the surface of the disk. Find (by direct integration) the electric potential at $P .$
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