chapter 01 - Chapter 1 Electric Circuit Variables Exercises...

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Chapter 1 – Electric Circuit Variables Exercises Ex. 1.3-1 () 2 23 2 3 00 0 84 A 88 (0 ) (8 4 ) 0 2 2 C 33 t tt it t t qt id q d t t ττ τ =− =+ = −+ = = ∫∫ 2 Ex. 1.3-3 () () () 0 44 0 4sin3 0 cos3 C t i d q d t = + = + + 4 3 Ex. 1.3-4 22 2 0 2 2 2 t t dq t t dt et −− < == −> < < Ex. 1.4-1 i 1 = 45 µ A = 45 × 10 -6 A < i 2 = 0.03 mA = .03 × 10 -3 A = 3 × 10 -5 A < i 3 = 25 × 10 -4 A Ex. 1.4-2 ( )( ) = 4000 A 0.001 s 4 C qi t ∆=∆ = Ex. 1.4-3 9 6 3 45 10 91 0 51 0 q i t ∆× = × = 9 µ A Ex. 1.4-4 19 9 19 10 19 9 electron C electron C = 10billion 1.602 10 = 10 10 1.602 10 se l e c t r o n electron C = 10 1.602 10 electron s C 1.602 10 1.602 nA s i  ×××   ×× =× = l e c t r o n 1-1
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Ex. 1.6-1 (a) The element voltage and current do not adhere to the passive convention in Figures 1.6-1 B and 1.6-1 C so the product of the element voltage and current is the power supplied by these elements. (b) The element voltage and current adhere to the passive convention in Figures 1.6-1 A and 1.6-1 D so the product of the element voltage and current is the power delivered to, or absorbed by these elements. (c) The element voltage and current do not adhere to the passive convention in Figure 1.6-1 B , so the product of the element voltage and current is the power delivered by this element: (2 V)(6 A) = 12 W. The power received by the element is the negative of the power delivered by the element, -12 W.
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This note was uploaded on 06/10/2011 for the course PHYSICS physics taught by Professor Physics during the Spring '11 term at HKU.

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chapter 01 - Chapter 1 Electric Circuit Variables Exercises...

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