PYQs Based Test - 05 : Analog Electronics

Assume that the op-amp in the circuit shown is ideal.

The value of $\frac{V_x}{I_x}$ (in kΩ) is _______

The output V${}_O$ shown in the figure, in volt, is close to

The diode D used in circuit below is ideal. The voltage drop V${}_{ab}$ across the 1 kΩ Resistor in volt is ____

The 5 V Zener diode in figure is ideal and the ammeter (A), of full-scale 1 mA, has an internal resistance of 100 Ω. The circuit shown, with terminal 1 positive, functions as a

In the circuit shown in the figure, it is found the V${}_{BE}$ = 0.7 V and V${}_E$ = 0.V. If β${}_{DC}$ = 99 for the transistor, then the value of R${}_B$ is _______ kΩ