Mathematics · Electronics
The overall open-loop voltage gain of a multistage amplifier is 140. When negative voltage feedback is applied, the closed-loop gain reduces to 20. Find the feedback fraction (β) of the output that is fed back to the input.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.043✓
- 20.14
- 30.24
- 40.34
Correct answer
0.043
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