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March 28, 2017

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The average power dissipated in a stereo speaker is 56 W. Assuming that the speaker can be treated as a 4.0- resistance, find the peak value of the ac voltage applied to the speaker.

  • physics - ,

    Already answered. Try to understand what I wrote before. You still are writing - for ohms, apparenbtly

  • physics - ,

    Except for the change from 56 to 54 W, refer to
    http://www.jiskha.com/display.cgi?id=1201749991

  • physics - ,

    If the current is composed of Na+ ions (q = +e), how many such ions flow in 0.7 s?

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