engineering recuitment BHEL Engineer Trainee Mock Test 2025 Electronic Mechanic Electronic Devices and Circuits Amplifiers
In a three-stage cascade amplifier, if the gain of first stage is 50 dB, of second stage is 10 dB and of third stage is 5 dB, then what is the overall gain ______dB
1
27.689
2
55.378
3
65.0
4
500