Physics 1 Problem Solutions 232

Physics 1 Problem Solutions 232 - 228 Chapt. 30 Currents...

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Unformatted text preview: 228 Chapt. 30 Currents Causing Magnetic Fields a) Jude law b) differential equation form of the Jude law c) integral equation form of the Jude law d) differential equation form of Amp` eres law e) integral equation form of Amp` eres law 030 qmult 00200 2 1 1 moderate memory: straight wire B-field 1 7. The magnitude of the magnetic field outside of an axially-symmetric, infinite straight wire (with current I , coordinate r perpendicular to the wire, and coordinate z along the wire) which can be found directly found easily by an application of Amp` eres law is: a) B = I 2 r . b) B = I 4 r . c) B = nI . d) B = NI 2 r . e) vector B = vector 2 z 3 . 030 qmult 00210 1 1 2 easy memory: straight wire B-field 2 8. The magnitude of the magnetic field of an axially-symmetric, infinite straight wire (with current I , coordinate r perpendicular to the wire, coordinate z along the wire) which can be found directly found easily by an application of Amp` eres law is:...
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