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

Related Mcqs:

1. 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...

2. The pinch-off voltage in a JFET is analogous to _____________ voltage in a vacuum tube?

   A. anode B. cathode C. grid cut off D. none of the above...

3. In a JFET, when drain voltage is equal to pinch-off voltage, the depletion layers ______________?

   A. almost touch each other B. have large gap C. have moderate gap D. none of the above...

4. 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...

5. When drain voltage equals the pinch-off-voltage, then drain current ___________ with the increase in drain voltage?

   A. decreases B. increases C. remains constant 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. 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. A certain common-source JFET has a voltage gain of 10. If the source bypass capacitor is removed, ______________?

   A. the voltage gain will increase B. the transconductance will increase C. the voltage gain will decrease D. the Q-point will shift...

9. In a certain CS JFET amplifier, RD= 1kO , RS= 560 O , VDD=10V and gm= 4500 µS. If the source resistor is completely bypassed, the voltage gain is ________________?

   A. 450 B. 45 C. 2.52 D. 4.5...

10. 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...