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Author Question: A flat coil containing 25 identical loops carries 6.4 A of current. When it is placed in a uniform ... (Read 98 times)

pepyto

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on: Jul 29, 2018
A flat coil containing 25 identical loops carries 6.4 A of current. When it is placed in a uniform magnetic field of 0.22 T that is oriented parallel to the plane of the coil, the magnetic torque on it is 3.7 N  m.
 
  (a) What is the magnetic moment of the coil?
  (b) What is the area of each loop?

Question 2

A soap bubble film that is 106 nm thick and has an index of refraction of 1.42 results in constructive interference in the reflected light if this film is illuminated by a beam of light with a wavelength of 601 nm.
 
  What are the next three thicknesses of this film that will also result in constructive interference?
  A) 53.0 nm, 35.3 nm, 26.5 nm
  B) 67.0 nm, 42.4 nm, 22.3 nm
  C) 212 nm, 424 nm, 636 nm
  D) 212 nm, 318 nm, 424 nm
  E) 318 nm, 530 nm, 742 nm
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Kdiggy

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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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pepyto

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Reply 2 on: Jul 29, 2018
:D TYSM

xiazhe

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Reply 3 on: Yesterday
Excellent

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