Engineering Electromagnetics
Engineering Electromagnetics
9th Edition
ISBN: 9781260029963
Author: Hayt
Publisher: MCG
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Chapter 3, Problem 3.13P

Spherical surfaces at r = 2, 4, and 6 m carry uniform surface charge densities of 20 nC/m2, -4 nC/m2, and ρ s o , respectively. (a) Find D at r = 1, 3, and 5m. (b) Determine ρ s o such that D = 0 at r = 7 m.

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5. Consider a filter whose transfer function is: H(f) = -12xfß (a + jπ f ) ² (a) show that the filter is non-causal for α = 3, p= -1; (b) choose alternate values of α, ẞ that result in a causal filter, and demonstrate that your choice valid.
1. Referring to the signals shown in Fig. 1: a) Find the signal energy of x(t). 6 b) Find the signal energy of y(t) . c) Find the signal energy of x(t)+y(t) . d) Are x(t) and y(t) orthogonal? Explain how you can tell. x(t) 0 2 4 y(1) 2 0 2 4 -6 Fig. 1 1-
Please can you solve this question correctly in a step by step form to help understanding, please make it clear.

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Engineering Electromagnetics

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