Second exam 230705

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Unformatted text preview: ‫ﺑﺴﻢ اﷲ اﻟﺮﲪﻦ اﻟﺮﺣﻴﻢ‬ Department of Electrical and Computer Engineering Module 0404215 Electromagnetic (I) Q1 Q2 Second Exam 23/07/2005 Time allowed: 1 hour → Using the differential form of Gauss’s law ( ∇. D = ρ v ) derive in detail the integral form of Gauss’s law? Obtain an expression for the capacitance of the coaxial cable shown in Figure 1? (Note that for the given voltage V across the capacitor, charge +Q and –Q will accumulate on the surfaces of the outer and inner conductors, respectively) Figure 1 Q3 A point charge 5 nC is located at (-3, 4, 0) while line y = 1, z = 1 carries uniform charge 2 nC/m. (a) If V = 0 V at O(0, 0, 0), find V at A(5, 0, 1). (b) If V = 100 V at B(1, 2, 1), find Vat C(-2, 5, 3). (c) If V = - 5 V at O, find VBC. ALL THE BEST DR. OMAR SARAEREH
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This note was uploaded on 04/02/2012 for the course ENGINEERIN 110409221 taught by Professor Omarsarayra during the Spring '12 term at Hashemite University.

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