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A Conducting Bar of Length L Rotates with a Constant

question 42

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A conducting bar of length L rotates with a constant angular speed of +2.0 rad/s about a pivot P at one end,as shown.A uniform magnetic field (magnitude = 0.20 T) is directed into the paper.If L = 0.40 m,what is the potential difference,VA − VP? A conducting bar of length L rotates with a constant angular speed of +2.0 rad/s about a pivot P at one end,as shown.A uniform magnetic field (magnitude = 0.20 T) is directed into the paper.If L = 0.40 m,what is the potential difference,V<sub>A</sub> − V<sub>P</sub>?   A) −12 mV B) +8.0 mV C) −8.0 mV D) +12 mV E) −16 mV


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