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How to find Area of Hysteresis?

Discussion in 'General Electronics Discussion' started by EFDG, Jun 11, 2016.

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  1. EFDG

    EFDG

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    Jun 11, 2016
    Hello,
    I have learn some basic of hysterics in Physic lab i need help how to calculate area of the curve as i was not present in class.
    [​IMG]
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    One approximate method is to simplify it into a parallelogram
     
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  3. EFDG

    EFDG

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    Jun 11, 2016

    hello sir,
    Here is the calculator how to calculate area by paraloogram?
     
  4. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    try googling for "how do i calculate the area of a parallelogram?"
     
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  5. EFDG

    EFDG

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    Jun 11, 2016
  6. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    yes
     
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  7. EFDG

    EFDG

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    Jun 11, 2016
    open in chrome it ask for h and b

    how to get height?
    and shape is also different.
     
  8. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    Have you tried drawing a parallelogram which approximates the shape you have?
     
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  9. EFDG

    EFDG

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    Jun 11, 2016
    yes i have drawn
     
  10. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

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    so now use the formula to calculate the area
     
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  11. hevans1944

    hevans1944 Hop - AC8NS

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    For non-analytical areas like the one shown above, print the curve on heavy paper and carefully cut the outline out. Weigh the cut-out with an analytical balance. Compare the weight against a square or rectangular cut-out of known area. The areas will be proportional to the weights you measure.

    In actual practice, after cutting out the hysteresis figure, try to estimate the size of the square or rectangle that will produce nearly the same weight as the hysteresis figure. An iterative approach, trimming one edge of the square or rectangle until it closely matches the weight of the hysteresis curve, will provide the quickest results. Carefully measure the height and width dimensions of the square or rectangle of matching weight. The area is the product of the height and width.
     
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  12. EFDG

    EFDG

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    Jun 11, 2016
    I will remember this trick
    as i dnt have weighting instrument
     
  13. EFDG

    EFDG

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    Jun 11, 2016
    you people are genius.
    I have done it is similar to square i think
    but the shape is of outer curve is slightly different.
    will it not make any lag in area?
    ok, what we conclude from this area while measuring hysteresis loop i was not in class at that time.
     
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