The conduction electrons in a cylindrical, current-carrying wire have a drift velocity of 0.35 mm/s. The wire has a radius of 1.0 mm and contains 8.6 x 1028 conduction electrons per m3. What is the current in the wire? (The magnitude of the charge of an electron is 1.602 x 10-19 C.) a.3.0 A b.6.0 A c.9.0 A d.12 A e.15 A A cylindrical resistor of radius 3.0 mm and a length of 3.0 cm has a resistivity of 2.6 x 10-3 Qm. If this resistor is hooked up to a 9.0-volt battery, what willbe the resultant current in the wire?O a. 1.7 AO b.2.6 AO c. 4.0 AO d.3.3 AO e. 1.1 A

Problem 1 Given Drift velocity is given as vd=0.35 mm/s=0.35×10-3 m/s Number of conduction electrons…

Answered: The conduction electrons in a…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 70PE: Unreasonable Results (a) What current is needed to transmit 1.00 102 MW of power at 10.0kV? (b)...

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The conduction electrons in a cylindrical, current-carrying wire have a drift velocity of 0.35 mm/s. The wire has a radius of 1.0 mm and contains 8.6 x 10²⁸ conduction electrons per m³. What is the current in the wire? (The magnitude of the charge of an electron is 1.602 x 10^-19 C.)

a.

3.0 A

b.

6.0 A

c.

9.0 A

d.

12 A

e.

15 A

A cylindrical resistor of radius 3.0 mm and a length of 3.0 cm has a resistivity of 2.6 x 10-3 Qm. If this resistor is hooked up to a 9.0-volt battery, what will
be the resultant current in the wire?
O a. 1.7 A
O b.2.6 A
O c. 4.0 A
O d.3.3 A
O e. 1.1 A

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