A. 1
B. 11.4
C. 8.75
D. 3.2
Related Mcqs:
- 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 - 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 - For VGS = 0 V, the drain current becomes constant when VDS exceeds ________________?
A. cut off
B. VDD
C. VP
D. V - 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 - 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 - A n-channel D-MOSFET with a positive VGS is operating in _______________?
A. the depletion-mode
B. the enhancement-mode
C. cut off
D. saturation - 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 - 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 - 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 - 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
