a. -0.30 V O b. 0.90 V O c. -0.90 V

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A conducting bar of length L = 0.40 m rotates in a counterclockwise
direction with a constant angular speed of +2.0 rad/s about a pivot
P at one end, as shown. A uniform magnetic field (magnitude = 7.5
T) is directed into the paper. What is the potential difference, Vp-
VA?
AL
BI
P
-L/2-
-L/2-
О а. -0.30 V
O b. 0.90 V
O c. -0.90 V
O d. 1.20 V
O e. 0.30 V
Transcribed Image Text:A conducting bar of length L = 0.40 m rotates in a counterclockwise direction with a constant angular speed of +2.0 rad/s about a pivot P at one end, as shown. A uniform magnetic field (magnitude = 7.5 T) is directed into the paper. What is the potential difference, Vp- VA? AL BI P -L/2- -L/2- О а. -0.30 V O b. 0.90 V O c. -0.90 V O d. 1.20 V O e. 0.30 V
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