Chapter 31225Section 31.4Induced emf and Electric FieldsP31.32(a)dBdttt=−6008002..ε=ddtBΦAt t=200. s,ERdBdtr==π2222800 00250200500bgbg.FqE×−800 1021N(b)When 60002−=,t=133sFIG. P31.32P31.33dBdtt=00600.εππ=ddtrdBdtrEBΦ1212At t=300s,ErrdBdt=FHGIKJ=⋅⋅⋅FHGIKJ1212002001.m2TssNs1 T C m2ejE=×−180 1031.N C perpendicular to and counterclockwiserFIG. P31.33P31.34(a)E⋅=zdddtBAΦ22ππrErdBdt=soEt=987100.cosmV mbg(b)The Efield is always opposite to increasing B.∴clockwise.Section 31.5
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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 .