average power in op amp circuit

Discussion in 'Homework Help' started by notoriusjt2, Dec 16, 2010.

  1. notoriusjt2

    Thread Starter Member

    Feb 4, 2010
    209
    0
    [​IMG]

    since f=60Hz, the "cos ωt" will be equal to 1
    so
    Vin=2V
    I=2/1000=0.002A
    P=0.002*2=4.0mW

    correct?
     
  2. t_n_k

    AAC Fanatic!

    Mar 6, 2009
    5,448
    782
    Vin(rms)=2/√2=1.414V
     
    notoriusjt2 likes this.
  3. notoriusjt2

    Thread Starter Member

    Feb 4, 2010
    209
    0
    DOH!

    I=1.414/1000 = 0.001414A
    P=0.001414*1.414=2mW
    Thanks!
     
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