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MCQs

Analog Electronics

Total Questions : 482 | Page 46 of 49 pages
Question 451. The diode current equation is not applicable in ____________
  1.    Forward biased state
  2.    Reverse biased state
  3.    Unbiased state
  4.    It is applicable in all bias states
 Discuss Question
Answer: Option D. -> It is applicable in all bias states
Question 452. An exponential amplifier has diode in feedback path
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 453. The threshold voltage of a diode at Antarctica and India were found to be V1 and V2 respectively
  1.    V1 > V2
  2.    V1 = V2
  3.    V1 < V2
  4.    Can’t be determined
 Discuss Question
Answer: Option A. -> V1 > V2
Question 454. The abbreviation PIV in the case of a diode stands for ____________
  1.    Peak Inferior Voltage
  2.    Problematic Inverse Voltage
  3.    Peak Inverse Voltage
  4.    Peak Internal Voltage
 Discuss Question
Answer: Option C. -> Peak Inverse Voltage
Question 455. Colpitts oscillator consists of _____ capacitor and _______ inductor
  1.    one, one
  2.    one, two
  3.    two, two
  4.    two, one
 Discuss Question
Answer: Option D. -> two, one
Question 456. Reverse collector saturation current ICBO is __________
  1.    Collector current when emitter current is zero
  2.    Collector current when base current is zero
  3.    Same as reverse saturation current
  4.    Collector current when either emitter or base current is zero
 Discuss Question
Answer: Option A. -> Collector current when emitter current is zero
Question 457. In a common emitter, unbypassed resister provides
  1.    voltage shunt feedback
  2.    current series feedback
  3.    negative voltage feedback
  4.    positive current feedback
 Discuss Question
Answer: Option C. -> negative voltage feedback
Question 458. In a half wave rectifier, the input sine wave is 250sin100 ᴨt Volts
  1.    100 Hz
  2.    200 Hz
  3.    50 Hz
  4.    25 Hz
 Discuss Question
Answer: Option C. -> 50 Hz
Question 459. A 10 V power supply would use which filter capacitor?
  1.    paper capacitor
  2.    electrolytic capacitor
  3.    mica capacitor
  4.    air capacitor
 Discuss Question
Answer: Option B. -> electrolytic capacitor
Question 460. The effective channel length of a MOSFET in a saturation decreases with increase in
  1.    Gate voltage
  2.    Drain voltage
  3.    Source voltage
  4.    Body voltage
 Discuss Question
Answer: Option B. -> Drain voltage

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