The constant-current region of a JFET lies between______________?

Related Mcqs:

1. 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

2. A JFET is a__________ driven device?

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

3. 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

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

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

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

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

6. The pinch-off voltage of a JFET is about _______________?

   A. 5 V
   B. 0.6 V
   C. 15 V
   D. 25 V

7. 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

8. A CS JFET amplifier has a load resistance of 10 kO , RD= 820O . If gm= 5mS and Vin= 500 mV, the output signal voltage is__________________?

   A. 2.05 V
   B. 25 V
   C. 0.5 V
   D. 1.89 V

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

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

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