Basic Electronics (3110016) MCQs

MCQs of Field effect transistors (FET) and its biasing

Showing 91 to 99 out of 99 Questions
91.
The main advantages of CMOS is its
(a) High power rating
(b) Small-signal operation
(c) Switching capability
(d) Low power consumption
Answer:

Option (d)

92.
Power FETs are
(a) Integrated circuits
(b) Small-signal devices
(c) Used mostly with analog signals
(d) Used to switch large currents
Answer:

Option (d)

93.
When the internal temperature increases in a power FET, the
(a) Threshold voltage increases
(b) Gate current decreases
(c) Drain current decreases
(d) Saturation current increases
Answer:

Option (c)

94.
Most small-signals E-MOSFETs are found in
(a) Heavy-current application
(b) Discrete circuits
(c) Disk drives
(d) Integrated circuits
Answer:

Option (d)

95.
Most power FETs are
(a) Used in high current applications
(b) Digital computers
(c) RF stages
(d) Integrated circuits
Answer:

Option (a)

96.
An n-channel E-MOSFET conducts when it has
(a) VGS > VP
(b) An n-type inversion layer
(c) VDS> 0
(d) Depletion layers
Answer:

Option (b)

97.
With CMOS, the upper MOSFET is
(a) A passive load
(b) An active load
(c) Nonconducting
(d) Complementary
Answer:

Option (d)

98.
The high output of a CMOS inverter is
(a) VDD/2
(b) VGS
(c) VDS
(d) VDD
Answer:

Option (d)

99.
The RDS(ON) of a power FET
(a) Is always large
(b) Has a negative temperature coefficient
(c) Has a positive temperature coefficient
(d) Is an active load
Answer:

Option (c)

Showing 91 to 99 out of 99 Questions