• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Power Electronics

Power Electronics
If holding current of a thyristor is 2 mA then latching current should be

 0.002 A.
 0.009 A.
 0.01 A.
  0.004 A.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n

  80.
 70.
 60.
 90.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Thyristor can be protected from over voltages by using

 fuse.
 heat sink.
  voltage clamping device.
 snubber circuit.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
BCT is used for

  High power phase control.
 High power current control.
 Low power current control.
 Low power phase control.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
The triac is ___________.

Like a bidirectional SCR
None of these
A four-terminal device
Not a thyristor

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
The device that exhibits negative resistance region is ___________.

Transistor
Triac
Diac
UJT

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Power Electronics

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑