• 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
Which semiconductor device acts like a diode and two transistor?

 UJT.
 Diac.
 SCR.
  Triac.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability

  Thyristor.
 MOSFETs.
 Semi conductor diodes.
 TRIACs.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A power semiconductor may undergo damage due to

 Low di/dt.
  High di/dt.
 Low dv/dt.
 High dv/dt.

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Which of the following is used in SCR to protect from high dV / dt?

 Fuse.
  Snubber circuit.
 Equalizing circuit.
 Circuit breaker.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is

  0.27.
  0.67.
  0.45.
  0.32.

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
↑