A copper wire has 8.48×1028 free electrons per m3. If the cross sectional area of the wire is 3x10-6 m² and the current is 12 amperes, what is the drift speed in m/s of the electrons if the magnitude of the charge on one electron is 1.6×10-19 c? Lütfen birini seçin: a. 4.42x10-4 b. 2.21x10-4 c. 2.95x10-4 d. 1.77x10-4 e. 1.11×10-4

College Physics
10th Edition
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
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Chapter15: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 1P: A 7.50-nC charge is located 1.80 m from a 4.20-nC charge. (a) Find the magnitude of the...
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A copper wire has 8.48×1028 free electrons per m3. If the cross sectional area of the wire is 3x10-6 m² and the
current is 12 amperes, what is the drift speed in m/s of the electrons if the magnitude of the charge on one
electron is 1.6×10-19 c?
Lütfen birini seçin:
a. 4.42x10-4
b. 2.21x10-4
c. 2.95x10-4
d. 1.77×10-4
e. 1.11x10-4
Transcribed Image Text:A copper wire has 8.48×1028 free electrons per m3. If the cross sectional area of the wire is 3x10-6 m² and the current is 12 amperes, what is the drift speed in m/s of the electrons if the magnitude of the charge on one electron is 1.6×10-19 c? Lütfen birini seçin: a. 4.42x10-4 b. 2.21x10-4 c. 2.95x10-4 d. 1.77×10-4 e. 1.11x10-4
If Q = 30 µC, q = 5 µC, and d = 6 cm in the figure below, what is the magnitude of the electrostatic force on q (in
N)? (ke = 9x10° SI)
d
Lütfen birini seçin:
a. 750
b. 105
c. 188
d. 422
e. 83.3
Transcribed Image Text:If Q = 30 µC, q = 5 µC, and d = 6 cm in the figure below, what is the magnitude of the electrostatic force on q (in N)? (ke = 9x10° SI) d Lütfen birini seçin: a. 750 b. 105 c. 188 d. 422 e. 83.3
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