Chapter 32251P32.47121222CVLI∆afLNMOQP=FHGIKJmaxmaxso ∆VLCICbgafmaxmax....==××=−−20 0 100500 10010020036HFA VP32.48When the switch has been closed for a long time, battery, resistor, andcoil carry constant current IRmax=ε. When the switch is opened,current in battery and resistor drops to zero, but the coil carries thissame current for a moment as oscillations begin in the LCloop.We interpret the problem to mean that the voltage amplitude of theseoscillations is ∆V, in 121222LI∆af=max.FIG. P32.50Then, LICVR=×=−∆∆Ωejaf2222262220 500 1015025050 00281max...F VVH.P32.49This radio is a radiotelephone on a ship, according to frequency assignments made by internationaltreaties, laws, and decisions of the National Telecommunications and Information Administration.The resonance frequency isfLC012=π.Thus,CfL××=−12126 30 101 05 10608
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .