If the output of an amplifier is 10 V and 100 mV from the output is fed back to the input, then feedback fraction is_____________?
Correct answer: C. 01
- A. 10
- B. 1
- C. 01
- D. 15
Explanation
The feedback fraction is β = V_f/V_o = 0.1/10 = 0.01. Thus the feedback voltage is one-hundredth of the output voltage, not 0.1 or 1.
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