883_Physics ProblemsTechnical Physics

883_Physics ProblemsTechnical Physics - Chapter 31 P31.26 =...

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Chapter 31 223 P31.26 εθ θ =− F H G I K J N d dt BA NB A t cos cos ε ° ×° = == 10100 0 300 600 0100 121 0121 2 .c o s .s i n . . . . . . T m 3.00 m m s V V 10.0 A af a f I FIG. P31.26 The flux is into the page and decreasing. The loop makes its own magnetic field into the page by carrying clockwise current. P31.27 ωπ π 200 2 400 .. rev s rad rev rad s bg b g εω 1 2 283 2 B A . m V P31.28 (a) Bi ext ext B = ± and B ext decreases; therefore, the induced field is 00 = B ± (to the right) and the current in the resistor is directed to the right . (b) ext ext B ± ej increases; therefore, the induced field =+ B ± is to the right, and the current in
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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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