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The equation of an alternating currect i...

The equation of an alternating currect is `i=2 sin 200 pi t .` Calculate (i) the prak volue of the currect (ii) the mean volue of the currect (iii) virtual current.

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Knowledge Check

  • The equation of an alternating current is I = 50 sqrt(2) sin 400 pi t A , then the frequency and the root mean square value of current are respectively.

    A
    `200 Hz, 50 A`
    B
    `400 Hz, 50 sqrt(2) A`
    C
    `200 Hz, 50 sqrt(2) A`
    D
    `500 Hz, 200 A`

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