842_Physics ProblemsTechnical Physics

842_Physics ProblemsTechnical Physics - 182 P29.69 Magnetic...

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182 Magnetic Fields P29.69 (a) Km v == = × × 1 2 6 00 6 00 10 1 60 10 26 1 9 .. . MeV eV J eV ej e j K v = × × 960 10 2 9 60 10 167 10 339 10 13 13 27 7 . . . . J J kg ms Fq v B mv R B 2 so R mv qB ×× × = 1 67 10 3 39 10 160 10 100 0354 27 7 19 . kg m s C T m af x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 45.0° 45° 45° θ ' x v R B in T = . FIG. P29.69 Then, from the diagram, xR = ° = 2 450 20354 0501 sin . . sin . . m m a f (b) From the diagram, observe that ′= ° 45 0 P29.70 (a) See graph to the right. The Hall voltage is directly proportional to the magnetic field. A least-square fit to the data gives the equation of the best fitting line as: VB H ±VT 100 10 4 . . (b) Comparing the equation of the line which fits the data best to
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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 .

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