In the circuit shown below, the silicon npn transistor Q has a very high value of $$\beta $$. The required value of R₂ in k$$\Omega $$ to produce I_c = 1mA is

In a voltage-voltage feedback as shown below, which one of the following statements is TRUE, if the gain k is increased?

In the circuit shown below the op-amps are ideal. Then V_out in Volts is

In the circuit shown below, what is the output voltage (v_out ) if a silicon transistor Q and an ideal op-amp are used?