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MCQs

Total Questions : 170 | Page 15 of 17 pages
Question 141. Which of the following gate act as inverter?
  1.    AND gate
  2.    OR gate
  3.    NOT gate
  4.    NAND gate
 Discuss Question
Answer: Option C. -> NOT gate
Answer: (c).NOT gate
Question 142. Which of the following represents ‘inhibit’ gate?
  1.    AND gate
  2.    NAND gate
  3.    OR gate
  4.    NOR gate
 Discuss Question
Answer: Option A. -> AND gate
Answer: (a).AND gate
Question 143. Unity-gain amplifier is the equivalent of _______________
  1.    Inverter
  2.    Driver
  3.    Amplifier
  4.    Rectifier
 Discuss Question
Answer: Option B. -> Driver
Answer: (b).Driver
Question 144. Which of the following is equivalent to voltage-controlled switch?
  1.    Inverter gate
  2.    Drier gate
  3.    Transmission gate
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Transmission gate
Answer: (c).Transmission gate
Question 145. In op-amp IC negative saturation is defined by ______________
  1.    Logic High
  2.    Logic Low
  3.    Inverter
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Logic Low
Answer: (b).Logic Low
Question 146. Transfer function of a system is given by 1/S. If system has a step input, what will be the output in time domain?(Function exist only for positive time value)
  1.    Step signal
  2.    Impulse signal
  3.    Sinusoidal signal
  4.    Ramp signal
 Discuss Question
Answer: Option D. -> Ramp signal
Answer: (d).Ramp signal
Question 147. Function f (t) has Laplace transform F(S). How will you represent Laplace transform of integral of f(t)?
  1.    S.F(S)
  2.    F(S)
  3.    F(S²)
  4.    F(S)⁄S
 Discuss Question
Answer: Option D. -> F(S)⁄S
Answer: (d).F(S)⁄S
Question 148. Which of the following can be a source of supply in dc power supplies?
  1.    Battery
  2.    Dry cell
  3.    Full wave rectifier
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 149. Which of the application’s filters used for?
  1.    Reducing ripples
  2.    Increasing ripples
  3.    Increasing phase change
  4.    Increasing amplitude
 Discuss Question
Answer: Option A. -> Reducing ripples
Answer: (a).Reducing ripples
Question 150. Which of the following represents Laplace transform of sinh(at)?
  1.    a⁄(S²+a²)
  2.    a⁄(S²-a²)
  3.    S⁄(S²+a²)
  4.    S⁄(S²-a²)
 Discuss Question
Answer: Option B. -> a⁄(S²-a²)
Answer: (b).a⁄(S²-a²)

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