P'shan Uppin
9 years ago

To produce an 800Hz sine wave, a four-pole generator must be operated at

A. 1600

B. 400

C. 200

D. 800


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  1. Sudhakar Prajapati
    Sudhakar Prajapati:
    9 years ago

    Correct Answer = B
    --------------------------------------------------------------
    BY USING FORMULA,
    n = 120f / P
    = 120*800/4
    = 24000 rpm
    = 24000/60 rps
    n = 400 rps
    Answer = 400rps

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