A n-channel D-MOSFET with a positive VGS is operating in _______________?

Related Mcqs:

1. A certain p-channel E-MOSFET has VGS(th) = -2V. If VGS= 0V, the drain current is ____________?

   A. 0 mA
   B. ID(on)
   C. maximum
   D. IDSS

2. A certain D-MOSFET is biased at VGS = 0 V. Its data sheet specifies IDSS = 20mA and VGS(off) = -5 V. The value of the drain current is _____________?

   A. 20 mA
   B. 0 mA
   C. 40 mA
   D. 10 mA

3. In a certain common-source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is_______________?

   A. 1
   B. 11.4
   C. 8.75
   D. 3.2

4. A MOSFET uses the electric field of a _______________to control the channel current?

   A. capacitor
   B. battery
   C. generator
   D. none of the above

5. For VGS = 0 V, the drain current becomes constant when VDS exceeds ________________?

   A. cut off
   B. VDD
   C. VP
   D. V

6. A certain JFET data sheet gives VGS(off) = -4 V. The pinch-off voltage Vp is _____________?

   A. +4 V
   B. -4 V
   C. dependent on VGS
   D. data insufficient

7. If the cross-sectional area of the channel in n-channel JEFT increases, the drain current _____________?

   A. is increased
   B. is decreased
   C. remains the same
   D. none of the above

8. A MOSFET can be operated with________________?

   A. negative gate voltage only
   B. positive gate voltage only
   C. positive as well as negative gate voltage
   D. none of the above

9. A MOSFET is sometimes called______________ JFET?

   A. many gate
   B. open gate
   C. insulated gate
   D. shorted gate

10. A MOSFET differs from a JFET mainly because _________________?

    A. of power rating
    B. the MOSFET has two gates
    C. the JFET has a pn junction
    D. none of the above