In a certain common-source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is_______________?
Correct answer: B. 11.4
- A. 1
- B. 11.4
- C. 8.75
- D. 3.2
Explanation
Voltage gain is the ratio of output rms voltage to input rms voltage: Av = 3.2/0.280 ≈ 11.4. Therefore option b matches the calculated gain.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Electronics and Devices
758 free Electronics and Devices MCQs from Electrical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Electrical Engineering questions like this
Electrical Engineering is on 2 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Electronics and Devices questions
A CS JFET amplifier has a load resistance of 10 kO , RD= 820O . If gm= 5mS and Vin= 500 mV, the output signal voltage is__________________?
n a common-source JFET amplifier, the output voltage is _____________?
A MOSFET differs from a JFET mainly because _________________?
A certain common-source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ______________?
If load resistance in the above question (Q.49) is removed, the output voltage will_____________?
A n-channel D-MOSFET with a positive VGS is operating in _______________?