Answered: A 1.4x10³ V/m electric field creates a…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 91CP: A student uses a 100.00-W, 115.00-V radiant heater to heat the student’s dorm room, dining the hours...

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Part A

What is the drift speed?

Express your answer with the appropriate units.

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vd�d =

5.16•10−6StartFraction SIMPLE m Over SIMPLE s EndFractionms

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Part B

What is the mean time between collisions for electrons in this wire?

Express your answer with the appropriate units.

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τ� =

20.99•10−15s

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A 1.4x10³ V/m electric field creates a 3.5x10¹7 elec/s current in a
1.2-mm-diameter aluminum wire.
What is the drift speed?
Express your answer with the appropriate units.
"₁= 5.2.106
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m
S
Part B
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HA
What is the mean time between collisions for electrons in this wire?
Express your answer with the appropriate units.
?
2.1 10-¹4 S
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* Incorrect; Try Again; 5 attempts remaining

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