Extra exam question E7G10
Subelement E7, PRACTICAL CIRCUITS· Group E7G
What absolute voltage gain can be expected from the circuit in Figure E7-3 when R1 is 1,800 ohms and RF is 68 kilohms?
- A.1
- B.0.03
- C.38 (correct answer)
- D.76
WhyThe circuit in Figure E7-3 with R1 at 1,800 ohms and RF at 68 kilohms has an absolute voltage gain of about 38. The Figure E7-3 circuit's absolute voltage gain equals RF divided by R1: 68,000 ohms divided by 1,800 ohms works out to approximately 37.8, which rounds to 38, answer C. The other figures come from a very different ratio or an incorrect division of these same two resistor values.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2024-2028 NCVEC Element 4 pool (public domain); the explanation above is original writing, see our methodology.
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