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Author Question: In the Drude model of electrical conduction, the current density is directly proportional to (Read 521 times)

geoffrey

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on: Aug 6, 2020

Question 1

If a mile of 24-gauge copper wire has a resistance of 0.14 kΩ and the resistivity of copper is 1.7 × 10−8Ω⋅ m, what is the diameter of the wire? (1 mile = 1.6 km)

◦
0.40 mm

◦
0.50 mm

◦
0.63 mm

◦
0.80 mm

◦
0.25 mm


Question 2

In the Drude model of electrical conduction, the current density is directly proportional to

◦
the average time interval between successive collisions.

◦
the number of charge carriers per unit volume.

◦
the square of the electron charge.

◦
the electric field present in the wire.

◦
the product of all four quantities listed above.
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by geoffrey on Aug 6, 2020

upturnedfurball

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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geoffrey

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Reply 2 on: Aug 6, 2020
:D TYSM

sultansheikh

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Reply 3 on: Yesterday
Wow, this really help

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