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Electrostatics: Potential and Field

Q- The potential at a point on the axis of a uniformly charged circular disk is given by

          

Where s is the surface charge density, r is the distance of the point from the center of the disk and ‘a’ is the radius of the disk. Find an expression for the electric field as a function…

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Electrostatics: Potential

Q- Two charges are fixed in place with a separation d. One charge is positive and has seven times (n = 7) the magnitude of the other charge, which is negative. The positive charge lies to the left of the negative charge. Relative to the negative charge, locate the two spots on the line through the c…

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