The gate of a JFET is ___________ biased?

Related Mcqs:

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

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

2. If the reverse bias on the gate of a JFET is increased, then width of the conducting channel ______________?

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

3. The gate voltage in a JFET at which drain current becomes zero is called ______________ voltage?

   A. saturation
   B. pinch-off
   C. active
   D. cut-off

4. If the gate of a JFET is made less negative, the width of the conducting channel__________________?

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

5. 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

6. A JFET is similar in operation to ___________ valve?

   A. diode
   B. pentode
   C. triode
   D. tetrode

7. The output characteristics of a JFET closely resemble the output characteristics of a ___________ valve?

   A. pentode
   B. tetrode
   C. triode
   D. diode

8. A JFET is a__________ driven device?

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

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

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

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