ESE 2021 Technical Quiz || Junction and field effect transistors (BJT, FET and MOSFETS)

For the circuit shown below Zener diode is ideal. In order to get constant output voltage, (R_L)_min is ______ Ω.

The output of the VI characteristics MOSFET has:

The input impedance of the base of an emitter follower is usually

For FET, Bandwidth in kHz provided:

g_m = 9.5 mA/V

Total capacitance = 500 × 10^-12 F

Voltage gain = (–30)

To maintain the Zener diode in ON state, the maximum values of input voltage V_i is _____ V.

(R = 200 ohm, R_L = 10 kohm, V_Z = 20 V and (I_Z)_max = 50 mA]