More on AC Polarity

Discussion in 'General Electronics Chat' started by a0175523, Jul 24, 2014.

  1. a0175523

    Thread Starter New Member

    Jul 24, 2014
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    *** Correction ***
    Hello: I'm trying to work my way thru allaboutcircuits. I'm stumped on "More on AC Polarity". How did they get 14.861 V and 16.59 degrees out of the two indicated voltages of 10 V and 0 degree and 6 V and 45 degrees. To me, I understood pretty much the preceeding pages before this, but I'm just not getting this at all. Thanks, Brad C.
     
    Last edited: Jul 24, 2014
  2. wayneh

    Expert

    Sep 9, 2010
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    Can you provide a link to the stuff you're looking at?
     
  3. a0175523

    Thread Starter New Member

    Jul 24, 2014
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    Hello:

    The link is:
    http://www.allaboutcircuits.com/vol_2/chpt_2/7.html

    The part I'm concerned with starts out with "The same is true for AC voltages...

    I've read and studied all of the material up to this point and I've been able to figure everything out so far but I just cannot seem to figure out how they got:

    14.861 V and 16.59 degrees

    Thank you,
    Brad Compton
     
  4. Jony130

    AAC Fanatic!

    Feb 17, 2009
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  5. wayneh

    Expert

    Sep 9, 2010
    12,100
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    If you're handy with Excel, you can make yourself two sine waves and add them together for yourself. I did something very similar some years ago when my daughter was learning about "beating" and wave interference. I might be able to dig it up if you're interested.
     
  6. a0175523

    Thread Starter New Member

    Jul 24, 2014
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    Hello:

    Thank you for the link for the math to solve my issue.

    And another thank you for the offer of creating the Excel example, but that is not necessary. I appreciate it though.

    Thanks and best regards,
    Brad
     
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