Electronic Devices and Circuits MCQs | Page - 51

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R

Ravi Shankar • 4.19K Points
Extraordinary

Q. The transconductance of FET depends upon ?

  • (A) Drain supply
  • (B) The type of FET
  • (C) Gate to source voltage
  • (D) Gate current
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V

Vijay Sangwan • 28.62K Points
Instructor II

Q. For a p-channel FET, What is the direction of current flow ?

  • (A) Source to drain
  • (B) Drain to source
  • (C) Gate to source
  • (D) Gate to drain
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P

Priyanka Tomar • 35.28K Points
Coach

Q. A very simple bias for a D-MOSFET is called ?

  • (A) self biasing
  • (B) gate biasing
  • (C) zero biasing
  • (D) voltage-divider biasing
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R

Ritu Singhal • 4.36K Points
Extraordinary

Q. JFETs cascode means ?

  • (A) Two FETs connected in parallel
  • (B) A common gate driving a common source connection
  • (C) A common gate source driving a common gate connection
  • (D) None of the above
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R

Ritu Nagar • 4.39K Points
Extraordinary

Q. How will a D-MOSFET input impedance change with signal frequency ?

  • (A) As frequency increases input impedance increases
  • (B) As frequency increases input impedance is constant
  • (C) As frequency decreases input impedance increases
  • (D) As frequency decreases input impedance is constant
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R

Ritu Singhal • 4.36K Points
Extraordinary

Q. The voltage gain of casade amplifier using FET is ?

  • (A) Product of two voltage gains
  • (B) Equal to C.D amplifier
  • (C) Almost equal to C.S amplifier
  • (D) None of the above
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A

Admin • 37.39K Points
Coach

Q. With a JFET, a ratio of output current change against an input voltage change is called ?

  • (A) transconductance
  • (B) siemens
  • (C) resistivity
  • (D) gain
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R

Ranjeet • 34.60K Points
Instructor I

Q. The operation of a JFET involves a flow of ?

  • (A) Recombination carriers
  • (B) Majority carriers
  • (C) Minority carriers
  • (D) Any of the above
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V

Vikash Gupta • 33.56K Points
Instructor I

Q. For holding the drain current constant inspite of large changes in JFET parameters ?

  • (A) Current source bias is used
  • (B) Reverse bias is used
  • (C) Voltage divider bias is used
  • (D) No bias is used
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