• 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 diac is turned on by ___________.

A breakover voltage
None of these
Gate current
Gate voltage

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________.

None of these
Extremely low
High
Low

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
When the temperature increases, the inter-base resistance (RBB) of a UJT ___________.

Remains the same
Increases
Decreases
None of these

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Thyristor is nothing but a

 Amplifier with large current gain.
  Controlled switch.
 Controlled transistor.
 Amplifier with higher gain.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Which of following is not a power transistor?

 SITS.
 IGBTs.
 COOLMOS.
  TRIAC.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
Materials used in heat sink should have

 high thermal conductivity.
 high melting point.
  All of these.
 large surface area.

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
↑