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lilMissMindset

help please! the force between two long parallel conductors is 15 kg/metre. the conductor spacing is 10 cm. If one conductor carries twice the current of the other, calculate the current in each conductor. help me analyze please.

  • one year ago
  • one year ago

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  1. stgreen
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    http://theory.uwinnipeg.ca/physics/mag/node10.html

    • one year ago
  2. MuH4hA
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    lilMissMindset: Don't ask the same question in multiple groups. "mathematics" is the wrong one anyways. -> http://openstudy.com/code-of-conduct

    • one year ago
  3. shubhamsrg
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    if you can tell, what is the expression of force per unit length between 2 infinite parallel current carrying wires ?

    • one year ago
  4. lilMissMindset
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    @MuH4hA sorry. im going to erase my other questions on other groups.

    • one year ago
  5. MuH4hA
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    Okay :) (although - you _should_ ask physics-question in physics... but i am no mod, so idk - guess it's ok ;) )

    • one year ago
  6. stgreen
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    @shubhamsrg the expression of force per unit length b/w two conductors: (F2/L)=(u0*i1*i2)/2pi*d

    • one year ago
  7. shubhamsrg
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    @stgreen i knew that buddy and i wanted @lilMissMindset to ans my query, ofcorse//

    • one year ago
  8. stgreen
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    i see

    • one year ago
  9. lilMissMindset
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    yea, saw it now. (F2/L)=(u0*i1*i2)/2pi*d

    • one year ago
  10. shubhamsrg
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    so where are you stuck..just plug in values given..cant be that difficult

    • one year ago
  11. lilMissMindset
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    what value should i put in 2pi*D?

    • one year ago
  12. lilMissMindset
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    is D the distance?

    • one year ago
  13. shubhamsrg
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    D is distance between the wires (in meters)

    • one year ago
  14. lilMissMindset
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    how about permeability? what is its unit?

    • one year ago
  15. stgreen
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    oops sorry µ0 = 4π×10−7 ≈ 1.2566370614…×10−6 H·m−1 or N·A−2

    • one year ago
  16. stgreen
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    its henry per metre

    • one year ago
  17. lilMissMindset
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    or newton per ampere?

    • one year ago
  18. shubhamsrg
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    dont worry about unit of Uo ,, just plug in everything in meters and kgs and you should get an ans in ampere..

    • one year ago
  19. shubhamsrg
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    all conventional units..

    • one year ago
  20. lilMissMindset
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    aw, sorry, im being stupid. im having trouble with the unit. :(

    • one year ago
  21. stgreen
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    no no you u0 is in newton per ampere square..while the force you have is in Kg..convert your force in newtons first

    • one year ago
  22. shubhamsrg
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    i see..yes ,you have to convert that.. use mg = F for that conversion..

    • one year ago
  23. lilMissMindset
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    aww. thank you so much! at last, i get this problem. :)

    • one year ago
  24. lilMissMindset
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    @MuH4hA i got an answer in the mathematics group.

    • one year ago
  25. stgreen
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    MATHS section got a number of engineers too lady :P

    • one year ago
  26. lilMissMindset
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    yea, that is why i put my questions in multiple groups, hoping for answers. not knowing, it is wrong according to codes of conduct. im one guilty student.

    • one year ago
  27. stgreen
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    uh-oh come on...its not such a CRIME lol

    • one year ago
  28. lilMissMindset
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    right. lol

    • one year ago
  29. lilMissMindset
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    thanks again. ;)

    • one year ago
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