()( )( )()32111(1)212.50s,2222210HznntTnTnTnfµ−−=+−===−×where n= 1, 2, 3, 4, …. The earliest time is (n=1) 2.50 s.t=(c) At =14, the current and the magnetic field in the inductor reach maximum values for the first time (compare steps aand cin Fig. 31-1). Later this will repeat every half-period (compare steps cand gin Fig. 31-1). Therefore, ())2121 1.25 s ,424LTnTTtnn−= − = −where n= 1, 2, 3, 4, …. The earliest time is (n=1) 1.25 s.t=4. (a) We recall the fact that the period is the reciprocal of the frequency. It is helpful to refer also to Fig. 31-1. The values of twhen plate Awill again have maximum positive
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.