• 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
In above question, if circuit efficiency is 90 %. What will be output power ?

  37.3 kW.
  35.6 kW.
  30 kW.
  40 kW.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem

 Compensation theorem
 Norton's theorem
 Reciprocity theorem
 Thevinin's theorem

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
The terminals across the source are ___________ if a voltage source is to be neglected.

 short circuited.
 replaced by a shunt resistance.
 open circuited.
 replaced by a series resistance.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be

 4 / 3 Ω.
 3 / 2 Ω.
 3 / 4 Ω.
 6 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
A capacitor of 50 microfarad is connected in series with a resistance of 120 Ω. If above circuit is connected across 240 V, 50 Hz 1 - φ supply. Find the capacitive reactance?

 135.86 Ω.
 1.765 Ω.
 63.7 Ω.
 0.015 Ω.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will

 increase.
 decrease.
 remains unchanged.
 becomes zero.

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
↑