A conductor has a cross-sectional area of 2.3×10-6 m² and the number of free electrons per unit volume is 8.5x1028 electron/m³. When the current is 12.3 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6X10-19 C. Select one: O A. 39.32 O B. 51.62 C. 0.27 O D. 0.39 O E. 0.52

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Chapter1: Units, Trigonometry. And Vectors
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A conductor has a cross-sectional
area of 2.3x10-6 m² and the
number of free electrons per unit
volume is 8.5×1028 electron/m3.
When the current is 12.3 A, find the
drift speed (in mm/s) of the
electrons. Use the charge of the
electron to be 1.6X10-19 C.
Select one:
O A. 39.32
O B. 51.62
O c. 0.27
O D. 0.39
O E. 0.52
Transcribed Image Text:A conductor has a cross-sectional area of 2.3x10-6 m² and the number of free electrons per unit volume is 8.5×1028 electron/m3. When the current is 12.3 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6X10-19 C. Select one: O A. 39.32 O B. 51.62 O c. 0.27 O D. 0.39 O E. 0.52
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