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

Related Mcqs:

1. 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...

2. 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...

3. 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...

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

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

5. 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...

6. n a common-source JFET amplifier, the output voltage is _____________?

   A. 180o out of phase with the input B. in phase with the input C. 90o out of phase with the input D. taken at the source...

7. The source terminal of a JEFT corresponds to _____________ of a vacuum tube?

   A. plate B. cathode C. grid D. none of the above...

8. A common base configuration of a pnp transistor is analogous to _____________?of a JFET

   A. common source configuration B. common drain configuration C. common gate configuration D. none of the above...

9. 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...

10. 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...