• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Electric Circuits

Electric Circuits
The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor?

 1.
 0.577.
 0.866.
 0.5.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
What is Va in the below circuit?

 (4R + 10) / 3.
 (6R + 10) / 3.
 (6R - 10) / 3.
 (3R + 10) / 3.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is

  50 A.
  zero.
  8.85 A.
  5 A.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 30sin50πt.
 30sin25πt.
 42.4sin25πt.
 42.4sin50πt.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
What is mean by flow of electrons?

 Insulator.
 Semiconductor.
 Voltage.
 Electric current.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be

 300 mA.
 3 A.
 100 mA.
 30 mA.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electric Circuits

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
↑