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  • Sinusoidal wave form

    Ramy Zacky

    Member

    Updated: Oct 26, 2024
    Views: 1.3K
    Sinusoidal wave form ???

    I am asking:

    We know that if a coil rotates in a transverse magnetic field a sinusoidal voltage is induced between its terminals.

    .

    My question now is:

    Why it is exactly sinusoidal in the shape and not any other wave shape??


    .

    Thanks for help.
    0
    Replies
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Replies

  • Ritesh Patil

    Member • Jul 12, 2017

    The voltage induced in a coil due to any moving magnetic field is directly proportional to the velocity of the field in the direction of the axis of the coil. Hence voltage induced by a rotating magnetic field is obtained sinusoidal as shown in the representation in the attachment. The same applies if you want to drive a motor, you will have maximum efficiency and smoothest torque when the driving voltage is pure sinusoidal.Untitled
    The representation needs, v=|dy/dt|, but you get the picture right?
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