voltage gain

In the circuit shown, the open loop gain of the operational amplifier is A₀ = 105. What is the voltage gain of the circuit? (Round off to two decimal places)

In the circuit, both Q1 and Q2 have a current gain of 100 and VBE = 0.7 V. The small signal voltage gain is ________ (round off to two decimal places).

The op-amps in the following circuit are ideal. The voltage gain of the circuit is ________ (round off to the nearest integer).

A current amplifier has an input resistance of $$10\Omega ,$$ an output resistance of $$10\,\,k\Omega $$ and a Current gain of $$1000.$$ It is feed by a current source having a sou...