quiz4_solution

# quiz4_solution - Calculate the potential at all points...

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Name: SbL.-U\LO,J PID: ECE 305 - Quiz 4 June 30, 2010 1. An annular ring of charge of radius R is located in the xy plane, as shown in Figure 1 below. Assume a constant line charge density, Pm, is applied to the ring. (a) Calculate the electric field at all points along the z-axis. (Be sure to include units and label vector components.) (6 pts) (b)
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Unformatted text preview: Calculate the potential at all points along the z-axis. You may assume your reference is located at infinity. (4 pts) . x ""' r ::. .t =e -rl::. {2.? = ~f~ + IfLSKA11 y l7 -r i \.:: I ~~ + f2. ~ 1 JR-~ (2. J4' 7.-Figure 1: Annular ring of radius R and charge density Pm. Recall: 1 i ~ dl' \'P(r) = pto(r )-1-4 __ I 11'1'0 r' r - r udu -1 J (a 2 +...
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