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Author Question: A tube of mercury with resistivity 9.84 10-7 m has a uniform electric field of 23 N/C inside the ... (Read 56 times)

javeds

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on: Jul 29, 2018
A tube of mercury with resistivity 9.84  10-7   m has a uniform electric field of 23 N/C inside the mercury. How much current is flowing in the tube, if the radius of the tube is 0.495 mm?
 
  A) 18 A B) 29 A C) 180 A D) 280 A

Question 2

A flat circular loop of wire is in a uniform magnetic field of 0.30 T. The diameter of the loop is 1.0 m, and a 2.0-A current flows in it.
 
  What is the magnitude of the magnetic torque on the loop when the plane of the loop is parallel to the magnetic field?
  A) 0.47 N  m B) 0.52 N  m C) 0.41 N  m D) 0.00 N  m
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kjohnson

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Reply #1 on: Jul 29, 2018
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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javeds

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Reply 2 on: Jul 29, 2018
Excellent

smrtceo

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Reply 3 on: Yesterday
Wow, this really help

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