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Unformatted text preview: charge densities + and .-Refer to Fig. 3 for details. a. Find the potential at any point (x, y, z) using the origin as your reference. b. Show that the equipotential surfaces are circular cylinders and locate the axis and the radius of the cylinder corresponding to a given potential . V 4. [10 points] A large parallel-plate capacitor with uniform surface charge on the upper plate and -on the lower plate is moving with a constant speed , v as shown in Fig. 4. a. Find the magnetic field between the plates and also above and below them. b. Find the magnetic force per unit area on the upper plate, including its direction. c. At what speed, would the magnetic force balance the electrical force. Figure 1 Figure 2 Figure 3 Figure 4...
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This note was uploaded on 02/27/2012 for the course CHEMISTRY/ CH/ECE/PH/ taught by Professor Faculty during the Spring '08 term at Cooper Union.
- Spring '08