• 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

  0.45.
  0.67.
  0.27.
  0.32.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Dynamic equalising circuit is useful

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

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
SITH is also known as

  Filled controlled diode.
 Filled controlled rectifier.
 Silicon controlled rectifier.
 None of these.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
The triac is ___________.

A four-terminal device
Not a thyristor
Like a bidirectional SCR
None of these

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A thyristor can termed as

 Both a and B.
 Square wave switch.
  DC switch.
 AC switch.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will

 Turn on if inductance is removed.
  Turn on.
 Turn on if pulse frequency us increased to two times.
 Not turn on.

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
↑