Question: In the summing amplifier shown, R 1 = 2 0 k , R 2 = 1 0 k , R 3 = 5 k ,

In the summing amplifier shown, R1=20k,R2=10k,R3=5k,Rf=100k,V1=1V,V2=0.1V,V3=0.2V,VCC=+15V, and -VEB=-15V. Determine the output voltage. (You need to show your work in details).
a. The current I2.
b. The current IF.
c. The voltage Vout.
Need ASAP please in15min
In the summing amplifier shown, R 1 = 2 0 k , R 2

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