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_A − V_P? A) −12 mV B) +8.0 mV C) −8.0 mV D) +12 mV E) −16 mV

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The Answer of 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_A − V_P? A) −12 mV B) +8.0 mV C) −8.0 mV D) +12 mV E) −16 mV

A Conducting Bar of Length L Rotates with a Constant