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Author Question: A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths ... (Read 158 times)

kfurse

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on: Aug 6, 2020

Question 1

A 2.0-m wire carries a current of 15 A directed along the positive x axis in a region where the magnetic field is uniform and given by B = (30− 40) mT. What is the resulting magnetic force on the wire?

◦
(+1.2 ) N

◦
(−1.2 ) N

◦
(−1.5 ) N

◦
(+1.5 ) N

◦
(+0.90 ) N


Question 2

A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a plane perpendicular to the magnetic field. What is the ratio of the radii of their orbits?

◦
2.8

◦
1.7

◦
1.3

◦
4.0

◦
1.0
Physics for Scientists and Engineers ¦ Serway, Jewett ¦ 9th Edition
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Marked as best answer by kfurse on Aug 6, 2020

joshraies

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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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kfurse

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Reply 2 on: Aug 6, 2020
Excellent

sultana.d

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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