B = 2.00 T 30.5 mm Electrons are made to flow through the copper strip of the figure above. The strip cross section is 1.00 mm high and 30.5 mm wide, and the strip is placed in a 2.00- I magnetic field that is directed out of the page. If the number of mobile electrons per unit volume in copper is 8.46 x 1028 m-3 and the current in the strip is 12.0 A, calculate the potential difference across the width of the strip when conditions have been allowed to equilibrate. A) 1.77 µV B) 58.1 µV C) 2.23 µV D) 68.0 µV E) 3.85 µV
B = 2.00 T 30.5 mm Electrons are made to flow through the copper strip of the figure above. The strip cross section is 1.00 mm high and 30.5 mm wide, and the strip is placed in a 2.00- I magnetic field that is directed out of the page. If the number of mobile electrons per unit volume in copper is 8.46 x 1028 m-3 and the current in the strip is 12.0 A, calculate the potential difference across the width of the strip when conditions have been allowed to equilibrate. A) 1.77 µV B) 58.1 µV C) 2.23 µV D) 68.0 µV E) 3.85 µV
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Transcribed Image Text:B = 2.00 T
• I
30.5 mm
Electrons are made to flow through the copper strip of the figure above. The strip
cross section is 1.00 mm high and 30.5 mm wide, and the strip is placed in a 2.00-
I magnetic field that is directed out of the page. If the number of mobile electrons
per unit volume in copper is 8.46 x 1028 m-3 and the current in the strip is 12.0 A,
calculate the potential difference across the width of the strip when conditions have
been allowed to equilibrate.
A) 1.77 µV
B) 58.1 µV
C) 2.23 µV
D) 68.0 µV
E) 3.85 µV
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