• 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
To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage.

More than
Equal to
Less than
None of these

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A diac has ___________ semiconductor layers

Four
Two
None of these
Three

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
To meet high current demand we use SCRs in

 series connection.
 anti parallel connection.
  parallel connection.
 both B and C.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Dynamic equalising circuit is useful

  both B and C.
 to limit di / dt of SCR.
 to limit dV / dt of SCR.
 for voltage equalisation.

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
  0.3 ohm
 0.03 ohm

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Maximum power loss occurs during

 delay time.
  rise time.
 spread time.
 all.

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
↑