284 Alternating Current CircuitsP33.62(a)With both switches closed, the current goes only through generatorand resistor.itVRta f=∆maxcosω(b)P=122∆VRmaxbg(c)VRLtLRa f=++FHGIKJLNMOQP∆maxcosarctan222FIG. P33.62(d)For0100==−FHGIKJφωωarctanLCR.We require 001LC=, soCL=102.(e)At this resonance frequency,ZR=.(f)UCVCIXCC12122∆IXCVRCVLRCmaxmaxmaxmax=12121222022∆∆(g)ULILVRmaxmaxmax1212222∆(h)Now 220LC.So =−FHGIKJ=−FHGIKJ=FHGIKJarctanarctanarctanRRRLC121232bg.(i)Now LC=12110LC.P33.63(a)IVRR,.rmsrmsV80.0 A=∆Ω100125(b)The total current will lagthe applied voltage as seen in the phasor
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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 .