The MOSFET switch in its on-state may be considered equivalent to_____________?

Related Mcqs:

1. The effective channel length of a MOSFET in a saturation decreases with increase in___________?

   A. Gate voltage
   B. Drain voltage
   C. Source voltage
   D. Body voltage

2. MOSFET can be used as a__________?

   A. current controlled capacitor
   B. voltage controlled capacitor
   C. current controlled inductor
   D. voltage controlled inductors

3. The action of JFET in its equivalent circuit can best be represented as a_____________?

   A. Current controlled Current source
   B. Current controlled voltage source
   C. Voltage controlled voltage source
   D. voltage controlled current source

4. In deriving ac equivalent circuit for an amplifier circuit, we short circuit___________?

   A. all resistors
   B. all transistors
   C. all inductors
   D. all capacitors

5. A dc power supply has no-load voltage of 30v,and a full-load voltage of 25v at full-load current of 1A.Its output resistance & load regulation ,respectively are_____________?

   A. 5 Ω & 20 %
   B. 25 Ω & 20 %
   C. 5 Ω & 16.7 %
   D. 25 Ω & 16.7 %

6. In the differential voltage gain & the common mode voltage gain of a differential amplifier are 48db &2db respectively, then its common mode rejection ratio is__________?

   A. 23dB
   B. 25dB
   C. 46dB
   D. 50dB

7. An OPAMP has a slew rate of 5 V/μ S .The largest sine wave O/P voltage possible at a frequency of 1 MHZ is [Hint: Slew rate is defined as the max. rate of change of output voltage. Its unit is V/μS.

   A. 10 volts
   B. 5 volts
   C. 5/1 volts
   D. 5/2 volts

8. An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is___________?

   A. 0.25
   B. 0.5
   C. 0.75
   D. 1

9. Most of the linear ICs are based on the two-transistor differential amplifier because of its___________?

   A. input voltage dependent linear transfer characteristic
   B. high voltage gain
   C. high input resistance
   D. high CMRR

10. Voltage Series feedback also called series-shunt feedback) results in__________?

    A. Increase in both input & output impedances
    B. Decreases in both input & output impedances
    C. Increase in input impedance & decreases in output impedance
    D. Decrease in input impedance & increase in output impedance