A current amplification of 2000 is a gain of_________________?
Correct answer: B. 66 db
- A. 3 db
- B. 66 db
- C. 20 db
- D. 200 db
Explanation
Current gain in decibels is 20 log10(Ai), so 20 log10(2000) is approximately 66 dB. The 20 dB value would correspond to a current gain of only 10.
Last updated
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.
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.
Related questions
1 db corresponds to_____________change in power level?
A 1,000 V power supply would use_____________ as a filter capacitor?
A 10 V power supply would use ____________ as filter capacitor?
A 2-transistor class B power amplifier is commonly called ______________ amplifier?
A 25eV electron has a speed of______________?