Part A A 1.3x10-3 V/m electric field creates a 4.9x1017 electrons/s current in a 1.5-mm-diameter aluminum wire. What is the drift speed? Express your answer using two significant figures. va = 1.12 • 10-6 m/s Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures. ΑΣφ ?

Part A A 1.3x10-3 V/m electric field creates a 4.9x1017 electrons/s current in a 1.5-mm-diameter aluminum wire. What is the drift speed? Express your answer using two significant figures. va = 1.12 • 10-6 m/s Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures. ΑΣφ ?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 83CP: A particle accelerator produces a beam with a radius of 1.25 mm with a current of 2.00 mA. Each...

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全l。 A docs.google.com A metal object having a length (10m), cross section area (0.5 mm²), and resistance (0.5N) is connected to a potential difference source of 5V at room temperature. If the density of free electrons equals (8x1025 electron/m³), Calculate the drift velocity. 1.56m/s 1.13m/s 1.43m/s 1.62m/s 1.75m/s 0.56m/s 1.33m/s 2 points Calculate the capacitance for a p-n junction when a reverse bias with 3V is applied at T=350K. Assume that NA=1×1020/m³, Np=1×1018, n¡ = 1×1015/m³, &= 11.7, and the cross section area is lum. 1.521pF 1.212pF 1.512pF 1.203pF 1.432pF 1.182pF 1.441DF
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A 1.8x10-³ V/m electric field creates a 3.1×10¹7 electrons/s current in a 1.0-mm-diameter aluminum wire. Part A What is the drift speed? Express your answer using two significant figures. vd = IVE ΑΣΦ Submit Previous Answers Request Answer Part B ? X Incorrect; Try Again; 4 attempts remaining m/s What is the mean time between collisions for electrons in this wire? Express your answer using two significant figures. 5 ΑΣΦ ? Review | Constants
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Flag question A conductor has a cross-sectional area of 2.3x106 m2 and the number of free electrons per unit volume is 8.5 X1028 electron/m³. When the current is 9.1 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x1019 C. Select one: A. 29.09 B. 38.19 OC. 0.38 D. 0.20 E. 0.29