In a FET, there are _____________pn junctions at the sides?

Related Mcqs:

1. A JFET is a__________ driven device?

   A. current
   B. voltage
   C. both current and voltage
   D. none of the above

2. 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

3. The input control parameter of a JFET is __________________?

   A. gate voltage
   B. source voltage
   C. drain voltage
   D. gate current

4. In class A operation, the input circuit of a JFET is ____________ biased?

   A. forward
   B. reverse
   C. not
   D. none of the above

5. The input impedance of a MOSFET is of the order of______________?

   A. O
   B. a few hundred O
   C. kO
   D. several MO

6. The transconductance of a JFET ranges from ________________?

   A. 100 to 500 mA/V
   B. 500 to 1000 mA/V
   C. 0.5 to 30 mA/V
   D. above 1000 mA/V

7. 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

8. The channel of a JFET is between the ________________?

   A. gate and drain
   B. drain and source
   C. gate and source
   D. input and output

9. 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

10. In a JFET, IDSS is known as ________________?

    A. drain to source current
    B. drain to source current with gate shorted
    C. drain to source current with gate open
    D. none of the above