• 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
Thermal voltage VT can be given by

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

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
 0.03 ohm
 0.3 ohm
  0.3 ohm

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance?

 11.19 ohm
  111.9 ohm
 108 ohm
 115 ohm

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
The latching current of GTO should be of order

 1 A.
 2 A.
  500 mA.
 100 mA.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A triac can pass a portion of ___________ half-cycle through the load.

Only positive
None of these
Both positive and negative
Only negative

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A modern power semiconductor device that combines the characteristic of BJT and MOSFET is

 GTO.
  IGBT.
 FCT.
 MCT.

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
↑