assign4_electrostatics_2sol

assign4_electrostatics_2sol - Solution for EE1259...

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Unformatted text preview: Solution for EE1259 Assignment 4 (Due on 9:30am, Tuesday October 17, 2006) 1. Given that r t a r e J r r 4 10 5 = A/m 2 , at t=0.1 ms, find; (a) the amount of current passing surface r = 2m , (b) the charge density v on that surface. 2. Lightning strikes a dielectric sphere of radium 20 mm for which r =2.5, =5 x 10-6 mhos/m and deposits uniformly a charge of 10 C . Determine the initial charge density and the charge density 2 s later. EE1259: Electromagnetic assignment 1 7. An electron is projected with an initial velocity of u =10 7 m/s into the uniform field between the parallel plates of the following figure. It enters the field at the midway between the plates. If the electron just missed the upper plate as it emerges from the field. (a) Find the electrical field intensity (b) Calculate its velocity as it emerges from the field (neglect edge effects, assuming the electrical field is produced by two infinite large metal plate) E x 10 cm 2 cm y u 0 EE1259: Electromagnetic assignment 2 8.8....
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This note was uploaded on 04/10/2008 for the course ECE 1259 taught by Professor Chen during the Spring '07 term at Pittsburgh.

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assign4_electrostatics_2sol - Solution for EE1259...

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