ch30-p011 - 11. (a) Let L be the length of a side of the...

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11. (a) Let L be the length of a side of the square circuit. Then the magnetic flux through the circuit is Φ B LB = 2 2 / , and the induced emf is 2 . 2 B i dL d B dt dt ε Φ =− Now B = 0.042 – 0.870 t and dB / dt = –0.870 T/s. Thus, i = (. / 200 2 0870 m) T s) = 1.74 V. 2 The magnetic field is out of the page and decreasing so the induced emf is
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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.

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