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. ?12 mV
B. +8.0 mV
C. ?8.0 mV
D. +12 mV
E. ?16 mV
Answer: C
Physics & Space Science
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