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The graph of f versus I

  1. Apr 4, 2014 #1
    1. The problem statement, all variables and given/known data

    according to my book, there's no graph for F versus I , can someone expalin why? based on my understanding it should be a straight line graph ( directly propotional) since F= BIL SIN TETHA

    2. Relevant equations



    3. The attempt at a solution
     

    Attached Files:

  2. jcsd
  3. Apr 4, 2014 #2

    NascentOxygen

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    Staff: Mentor

    For any given layout, F vs. I should be a sloping straight line. I see no evidence of your textbook implying otherwise.
     
  4. Apr 5, 2014 #3
    do u mean my textbook ans is wrong?
     
  5. Apr 5, 2014 #4

    NascentOxygen

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    Staff: Mentor

    You haven't shown the textbook's answer. (A hand-drawn sketch is not reliable.)
     
  6. Apr 5, 2014 #5
    here's the ans from my book.... so how should the graph be? can you show here?
     

    Attached Files:

  7. Apr 5, 2014 #6

    NascentOxygen

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    Staff: Mentor

    I guess your textbook is supplying a blank graph for you to fill in? Or maybe the author simply forgot to hand draw the graph before the book went to the printers.

    Just draw in a straight line through the origin, of some general slope. If you were asked to indicate the slope, what expression would you write?
     
    Last edited: Apr 5, 2014
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