A conductor has a cross-sectional area of 2.3x 10-6 m² and the number of free electrons per unit volume is 8.5x 10 electron/m. When the current is 8.6 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10-19 C. Select one: CA. 0.19 OB.27.49 OC.0.36 OD.36.09 CE027 page
A conductor has a cross-sectional area of 2.3x 10-6 m² and the number of free electrons per unit volume is 8.5x 10 electron/m. When the current is 8.6 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10-19 C. Select one: CA. 0.19 OB.27.49 OC.0.36 OD.36.09 CE027 page
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Transcribed Image Text:Charged sphere ( mass= 20 g, q=D2 µ) is connected with a neglected mass string to a uniformly charged surface wi
-13.6 uC/m. Find the tension in the string in units of N). use eo = 8.8542x10-12 F-m-1
String
+ + +
+ + + +
Select one:
OA. 1.06
OB. 1.34
OC.2.88
D. 1.42
E. 15.16
ENG
Transcribed Image Text:فير
A conductor has a cross-sectional area of 2.3x 10-6 m and the number of free electrons per unit volume is 8.5x
10- electron/m. When the current is 8.6 A, find the drift speed (in mm/s) of the electrons. Use the charge of the
electron to be 1.6x 10-19 C.
Select one:
OA 0.19
OB. 27.49
CC.036
C0.36.09
CE.027
page
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