logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics and Communication Engineering ‣ Power Electronics See What Others Are Saying!
  • Question

  • The number of doped regions in a SCR is


  • Options
  • A. 2
  • B. 3
  • C. 4
  • D. 5

  • Correct Answer
  • 4 

    Explanation
    p = n = p = n.
    Tags: AIEEE, Bank Exams, CAT, Bank Clerk, Bank PO

    More questions

    • 1. Resistivity of metals consists of two parts, one part constant and the other temperature dependent.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The given figure shows a pole zero diagram. The transfer function G(j1) is

    • Options
    • A. 0.5 ?0
    • B. 2.7 ?- 31°
    • C. 2 ?45°
    • D. 2 ?- 67.4°
      • Discuss
    • 3. The total number of leads in SUS, SBS and SCS respectively are

    • Options
    • A. 3, 3, 4,
    • B. 3, 3, 3
    • C. 2, 3, 3
    • D. 3, 3, 5
      • Discuss
    • 4. Assertion (A): Free space does not interfere with normal radiation and propagation of radio waves

      Reason (R): Free space has no magnetic or gravitational fields.


    • Options
    • A. Both A and R are correct and R is correct explanation of A
    • B. Both A and R are correct but R is not correct explanation of A
    • C. A is correct but R is wrong
    • D. A is wrong but R is correct
      • Discuss
    • 5. Assertion (A): The angular momentum of an atom is due to three contributions viz. orbital, electron spin and nuclear spin.

      Reason (R): The nuclear spin magnetic moment is much more than electron spin magnetic moment.


    • Options
    • A. Both A and R are true and R is correct explanation of A
    • B. Both A and R are true but R is not correct explanation of A
    • C. A is true but R is false
    • D. A is false but R is true
      • Discuss
    • 6. Match the following:

      List I (Octal) List II (Hexadecimal)
      A. 66 1. 3 F
      B. 77 2. 36
      C. 55 3. 27
      D. 47 4. 3D


    • Options
    • A. A-1, B-3, C-2, D-4
    • B. A-2, B-1, C-4, D-3
    • C. A-3, B-1, C-2, D-4
    • D. A-4, B-1, C-2, D-3
      • Discuss
    • 7. The relationship of hysteresis loss to maximum flux density was first determined by

    • Options
    • A. C. Steinmetz
    • B. G.R. Kirchoff
    • C. Mr. Laplace
    • D. Mr. Ampere
      • Discuss
    • 8. Oscillations are obtained from a reflex klystron only for combinations of anode voltage and repeller voltage that give a favourable transit time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The duty cycle of a step down chopper is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. The use of free wheeling diode in controlled rectifier improves the waveshape of load current.

    • Options
    • A. True
    • B. False
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.