• 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
IGBT combines the advantages of

 SITs and MOSFETs.
 BJTs and SITs.
  BJTs and MOSFETs.
 None of these.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A power MOSFET has three terminals called

 Collector, emitter and base.
  Drain, source and gate.
 Collector, emitter and gate.
 Drain, source and base.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Power electronics essentially deals with control of a.c. power at ___________.

Frequencies above 20 kHz
Frequencies less than 10 Hz
50 Hz frequency
Frequencies above 1000 kHz

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A single phase full bridge inverter can operate in load commutation mode in case load consists of

  RLC underdamped.
 RL.
 RLC overdamped.
 RLC critically damped.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Thermal voltage VT can be given by

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

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be

 6, 4.
  7, 5.
 5, 7.
 4, 6.

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
↑