Solution 1

# Solution 1 - ECE 205 Section A B and C Homework#1 Solutions...

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ECE 205 Section A, B, and C. Homework #1 Solutions 1.2 (d) i=dq/dt = 1200 120 cos t pA 1.3 (b) ° ±² = ³ 2 ± + 5 ²´± = ± 2 + 5 ± ( µ¶ ) 1.6 (a) At t = 1ms, 2 80 dt dq i 40 A (b) At t = 6ms, dt dq i 0 A (c) At t = 10ms, 4 80 i dt dq –20 A 1.9 (a) C 10 1 0 dt 10 idt q (b) C 5 . 22 5 5 . 7 15 1 5 2 1 5 10 1 q 3 0 (c) C 30 q 5 0 1.13 (a) 40 cos 4 mA dq it dt   2 80 cos 4 mW p vi t At t=0.3s, 2 80 cos (4 0.3) 164.5 mW px (b) 0.6 0.6 2 00 80 cos 4 40 [1 cos8 ] mJ W pdt tdt t dt

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0.6 1 40 0.6 sin8 78.34 mJ
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## This note was uploaded on 02/03/2010 for the course ECE 201 taught by Professor C during the Spring '10 term at Miami University.

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Solution 1 - ECE 205 Section A B and C Homework#1 Solutions...

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