• 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

  0.32.
  0.67.
  0.27.
  0.45.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Leakage current flows through the thyristor in

 forward conduction mode.
 forward blocking mode.
 reverse blocking mode.
  both forward and reverse blocking mode.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Which of the following is disadvantage of fast recovery diodes?

 Recovery is only 50 µs.
  Doping is carried out.
 Recovery is only 5 µs.
 None of these.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Gate circuit or triggering circuit of a thyristor is

 may be low power or high power circuit.
 magnetic circuit.
  lower power circuit.
 high power circuit.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Why resistor is used in Snubber circuit ?

 To minimize the loss .
 To minimize the charging current.
  To minimize the discharging current.
 All of these.

ANSWER DOWNLOAD EXAMIANS APP

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

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

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
↑