PYQs Based test 18: Analog Electronics

For the circuit shown below, assume that the OPAMP is ideal.



Which one of the following is TRUE?

In the circuit shown in the figure, the diode used is ideal. The input power factor is __________. (Give the answer up to two-decimal places.)

In the figure shown, assume the op-amp to be ideal. Which of the alternatives gives the correct Bode plots for the transfer function $\frac{V_0\left(\omega \right)}{V_1\left(\omega \right)}$ ?

The circuit shown in the figure uses matched transistors with a thermal voltage V${}_T$ = 25 mV. The base currents of the transistors are negligible. The value of the resistance R in kΩ that is required to provide 1 μA bias current for the differential amplifier block shown is ___________. (Give the answer up to one decimal place.)

Given that the op-amps in the figure are ideal, the output voltage $V_0$ is