engineering recuitment MAHATRANSCO AE Electrical Mock Test Analog Electronics Op-Amp and Its Applications Op Amp As a Amplifier
An amplifier circuit has an overall current gain of -100 and an input resistance of 10 kilo-ohm with a load resistance of 1 kilo-ohm. The overall voltage gain of the amplifier is
1
5 dB
2
10 dB
3
20 dB
4
40 dB
5
45 dB