• 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
A triac is equivalent to two SCRs ___________.

In series
In parallel
None of these
In inverse-parallel

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A single phase full bridge inverter can operated in load commutation mode in case load consist of

 RL.
 RLC overdamped.
 RLC critically damped.
 RLC underdamped.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant

None of these
UJT
Transistor
SCR

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Which one is most suitable power device for high frequency (>100 KHz) switching application?

 BJT.
 Microwave transistor.
 Schottky diode.
  Power MOSFET.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
How can we protect SCR from thermal conditions ?

 Using CB and fuse.
  Using heat sink.
 Using equalizing circuit.
 Use of snubber circuit.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
CB used for over current protection of thyristor operates when the fault current is

 both (A) and (B).
 of short duration.
 neither (A) nor (B).
  of long period.

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
↑