railway RRB JE (CBT I + CBT II) Mock Test 2024 Analog Electronics Power Amplifiers and 555 Timer and Voltage Regulators
An amplifier circuit has an overall current gain of -100 and an input resistance of 10 kΩ with a load resistance of 1 kΩ. The overall voltage gain of the amplifier is
1
5 dB
2
10 dB
3
20 dB
4
40 dB