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average power in op amp circuit

average power in op amp circuit

Thread starter notoriusjt2
Start date Dec 16, 2010

Thread Starter

notoriusjt2

#1

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?

t_n_k

#2

Vin(rms)=2/√2=1.414V

Thread Starter

notoriusjt2

#3

DOH!

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

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