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

  0.45.
  0.32.
  0.67.
  0.27.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
SCRs are used in series to meet

 low current demand.
 high current demand.
  high voltage demand.
 low voltage demand.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ?

 3.0 ohm
  0.3 ohm
 0.03 ohm
 0.3 ohm

ANSWER DOWNLOAD EXAMIANS APP

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

  Thyristor.
 TRIACs.
 MOSFETs.
 Semi conductor diodes.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Thermal voltage VT can be given by

 (K2/q)(T + 1/T - 1).
 KT/q.
 qT/K.
  Kq/T.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Which of following is normally ON device

 BJT.
 IGBT.
  SIT.
 TRIAC.

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
↑