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  • imnitsy

    Member • Jan 30, 2010

    it nature is AC!!
    adding a dc in ac signal will increase the magnitude by the dc voltage!!😁

    correct me if i am wrong!!
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  • imnitsy

    Member • Jan 30, 2010

    also the magnitude of the resultant voltage must be sqrt(100+25)!!!!
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  • ankita15

    Member • Jan 31, 2010

    it will be ac,,,,,,,,as sin function is there,,,,,,,,
    correct ,,,,if it is wrong ans.
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  • nitin_sharma

    Member • Feb 1, 2010

    It will be an ac signal which will fluctuate about the 10V DC level instead of ground level.
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  • sanks85

    Member • Feb 1, 2010

    if we draw the graph of both the DC as well as AC function then the resultant will be in AC form with the magnitude around 10v so it will be purely an AC signal...
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  • amanoverworked

    Member • Feb 3, 2010

    but according to the definition of alternating current its direction changes , but here it is fixed.
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  • Rifaa

    Member • Feb 3, 2010

    With 10VDC and 5VAC together means AV is super imposed on DC.
    Resultant will be a DC Voltage with an AC component ( like a ripple in DC).

    Graph will look like an AC sine wave via a scope provided the DC function is enabled, with a reference at 10V instead of 0V as a pure sine wave would look like.

    Rifaa
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  • 360degrees

    Member • Feb 8, 2010

    I think its dc in nature.Not a perfect DC but a pulsating one.I think so because when (wt)=0,its value =10;wt=90,its value=15,wt=180 it again becomes 10 and wt=270 it is 5.
    So it varies from +5 to +15V.
    So it is a DC.
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  • 360degrees

    Member • Feb 8, 2010

    This is basically the output of a clamper circuit.It is used in DC insertion in Television etc..
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  • shahrul

    Member • Feb 11, 2010

    Rifaa
    With 10VDC and 5VAC together means AV is super imposed on DC.
    Resultant will be a DC Voltage with an AC component ( like a ripple in DC).

    Graph will look like an AC sine wave via a scope provided the DC function is enabled, with a reference at 10V instead of 0V as a pure sine wave would look like.

    Rifaa
    Agree, the DC voltage greater than the AC amplitude. So, the adding result is all the value will be positif. So, no alternating voltage. It's DC signal.
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  • roxy_1001

    Member • Feb 13, 2010

    i hope this diagram will help you to clear you doubt ...
    [​IMG]

    things you can see...

    1) It's normal sinewave shifted 10 v above the 0v level...
    2) It will have no -ve cycles..
    3) It will fluctauate above and below 10v refernce level...
    4) If you add -10v instead of adding +10v the whole graph will be shifted below the 0v.
    5) This kind of waveforms are called as Fluctuating DC's ..not AC...😁
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