20_Chapter 20 HomeworkCH20 Induced Voltages and Inductance

20_Chapter 20 HomeworkCH20 Induced Voltages and Inductance...

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194 CHAPTER 20 (c) () ( ) ( ) 1 20 0 74 2 3 -2 -2 4 10 T m A 12 500 2.71 A 1.00 10 m 1.52 10 V 27 . 0 01 0 m2 . 0 0 s 2 B nIA BA N IA tt t t µ π −−  ∆∆ ∆Φ  = ×⋅ × == ×× A × (d) ( ) ( )( ) 3 820 1.52 10 V 0.0519 A 51.9 mA 24.0 coil B coil coil coil Nt RR I ε × ∆Φ = = = 20.54 ± ±²³ ´µ¶·¸ ²¶±·¹³ µº»¼ ±½³ ±¾³ ±¿³ ÀÁÂÃÂĽŶÆÇÁÈÉ µº¼ µºÊ¼ ´ºµ ´º»¼ ´º¼ ´ºÊ¼ »ºµ ¼¶·¸ µ ˼¶·¸ Ë´µ¶·¸ (a) Doubling the number of turns doubles the amplitude but does not alter the period. (b) Doubling the angular velocity doubles the amplitude and also cuts the period in
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This document was uploaded on 10/20/2011.

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