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A generator produces a time varying volt...

A generator produces a time varying voltage given by `V=240 sin 120 t,` where `t` is in second. The rms voltage and frequency are

A

60Hz and 240V

B

189Hz and 120V

C

9Hz and 170V

D

754Hz and 70V

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • A generator produces a voltage that is given by V=240 sin 120t, where t is in seconds. The frequency and rms voltage are (1)

    A
    60 Hz and 240 V
    B
    19 Hz and 120 V
    C
    9 Hz and 170 V
    D
    754 Hz and 70 V

  • A generator produces a voltage that is given by V = 311 sin 314 t, where t is in seconds. The frequency and rms voltage are

    A
    314 Hz, 311 V
    B
    50 Hz, 220 V
    C
    60 Hz, 230 V
    D
    50 Hz, 240 V

  • An AC generator produced an output voltage E=170sin 377t volts , where t is in seconds. The frequency of AC voltage is

    A
    `50Hz`
    B
    `110Hz`
    C
    `60Hz`
    D
    `230Hz`

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