Sail E0 Webinar

MCQs

Total Questions : 44 | Page 4 of 5 pages
Question 31. If the doping level of a crystal diode is increased, the breakdown voltage___________
  1.    remains the same
  2.    is increased
  3.    is decreased
  4.    none of the above
 Discuss Question
Answer: Option C. -> is decreased
Question 32. A crystal diode has forward resistance of the order of ___________
  1.    kΩ
  2.    Ω
  3.    MΩ
  4.    none of the above
 Discuss Question
Answer: Option B. -> Ω
Question 33. Mains a.c. power is converrted into d.c. power for ___________
  1.    lighting purposes
  2.    heaters
  3.    using in electronic equipment
  4.    none of the above
 Discuss Question
Answer: Option C. -> using in electronic equipment
Question 34. The reverse current in a diode is of the order of ___________
  1.    kA
  2.    mA
  3.    μA
  4.    A
 Discuss Question
Answer: Option C. -> μA
Question 35. There is a need of transformer for ___________
  1.    half-wave rectifier
  2.    centre-tap full-wave rectifier
  3.    bridge full-wave rectifier
  4.    none of the above
 Discuss Question
Answer: Option B. -> centre-tap full-wave rectifier
Question 36. A zener diode is ___________ device
  1.    a non-linear
  2.    a linear
  3.    an amplifying
  4.    none of the above
 Discuss Question
Answer: Option A. -> a non-linear
Question 37. A zener diode utilizes ___________ characteristics for its operation.
  1.    forward
  2.    reverse
  3.    both forward and reverse
  4.    none of the above
 Discuss Question
Answer: Option B. -> reverse
Question 38. The leakage current in a crystal diode is due to ___________
  1.    minority carriers
  2.    majority carriers
  3.    junction capacitance
  4.    none of the above
 Discuss Question
Answer: Option A. -> minority carriers
Question 39. ___________ rectifier has the lowest forward resistance
  1.    solid state
  2.    vacuum tube
  3.    gas tube
  4.    none of the above
 Discuss Question
Answer: Option A. -> solid state
Question 40. The doping level in a zener diode is ___________ that of a crystal diode
  1.    the same as
  2.    less than
  3.    more than
  4.    none of the above
 Discuss Question
Answer: Option C. -> more than

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0