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Total Questions : 848 | Page 85 of 85 pages
Question 841. Which of the following is the range of the operating voltage level for LED's?
  1.    5 "“ 12 mV
  2.    1.7 "“ 3.3 V
  3.    5 "“ 12 V
  4.    20 "“ 25 V
 Discuss Question
Answer: Option A. -> 5 "“ 12 mV


1.7 “ 3.3 V


Question 842. ________are electronic circuits which give constant DC output voltage, irrespective of variations in Input Voltage V, current drawn by the load I from output terminals
  1.    Rectifier
  2.    Filter
  3.    Regulator
  4.    None of these
 Discuss Question
Answer: Option C. -> Regulator


Regulator


Question 843. _____ is a device in which there is a transfer of resistance from input side which is forward biased (low resistance) to output side which is reverse biased (high resistance)
  1.    Diode
  2.    Transistor
  3.    Rectifier
  4.    Regulator
 Discuss Question
Answer: Option B. -> Transistor


Transistor


Question 844. Transistor is a ______ terminal device
  1.    1
  2.    2
  3.    3
  4.    4
 Discuss Question
Answer: Option C. -> 3


3Transistor is a three terminal device, whose terminals are base , emitter & collector


Question 845. Which of the following regions are part of the output characteristics of a transistor?
  1.    Active
  2.    Cutoff
  3.    Saturation
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above


All the above


Question 846. BJT is a ________ device & FET is a _______ device
  1.    Bipolar , bipolar
  2.    bipolar , unipolar
  3.    unipolar , bipolar
  4.    unipolar , unipolar
 Discuss Question
Answer: Option B. -> bipolar , unipolar


bipolar , unipolar


Question 847. _______ is the terminal through which the majority carriers leave the bar in FET
  1.    Source
  2.    Drain
  3.    Gate
  4.    none of these
 Discuss Question
Answer: Option B. -> Drain


Drain


Question 848. _______ is the terminal through which the majority carriers enter the bar in FET
  1.    Source
  2.    Drain
  3.    Gate
  4.    none of these
 Discuss Question
Answer: Option A. -> Source


Source


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