• 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
The latching current of SCR is 20 mA. Its holding current will be

 23 mA.
  10 mA.
 60 mA.
 40 mA.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is

 65.
  37.14.
 60.
 3.714.

ANSWER DOWNLOAD EXAMIANS APP

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

 Microwave transistor.
  Power MOSFET.
 BJT.
 Schottky diode.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A diac is simply ___________.

A triac without gate terminal
None of these
A single junction device
A three junction device

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is

 60° to 120°.
 60° to 180°.
 30° to 180°.
 30° to 150°.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A diac has ___________ terminals.

None of these
Four
Two
Three

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
↑