• 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

 60 mA.
 40 mA.
  10 mA.
 23 mA.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
What is used to protect a thyristor from high di / dt conditions?

 Voltage clamping device.
 Fuse.
 Snubber circuit.
  Inductor.

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A diac is ___________ switch

None of these
A mechanical
An c.
A d.c.

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?

 108 ohm
 115 ohm
  111.9 ohm
 11.19 ohm

ANSWER DOWNLOAD EXAMIANS APP

Power Electronics
A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is

  0.67.
  0.27.
  0.45.
  0.32.

ANSWER DOWNLOAD EXAMIANS APP

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

Only negative
Only positive
Both positive and negative
None of these

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
↑