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Author Question: A long straight wire carries a current of 40 A in a region where a uniform external magnetic field ... (Read 75 times)

joe

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on: Aug 6, 2020

Question 1

A long straight wire (diameter = 2.0 mm) carries a current of 40 A. What is the magnitude of the magnetic field 1.5 mm from the axis of the wire?

◦
3.0 mT

◦
12 mT

◦
5.3 mT

◦
7.4 mT

◦
8.0 mT


Question 2

A long straight wire carries a current of 40 A in a region where a uniform external magnetic field has a 30-μT magnitude and is parallel to the current. What is the magnitude of the resultant magnetic field at a point that is 20 cm from the wire?

◦
70 μT

◦
40 μT

◦
10 μT

◦
50 μT

◦
36 μT
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Marked as best answer by joe on Aug 6, 2020

blakcmamba

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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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joe

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Reply 2 on: Aug 6, 2020
Great answer, keep it coming :)

ghepp

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Reply 3 on: Yesterday
Excellent

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