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

Electromagnetic induction

Electromagnetic induction
Which of the following circuit element stores energy in the electromagnetic field?

Resistance
Inductance
Condenser
Variable resistor

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
The core of a coil has a length of 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be

48 mH
24 mH
3 mH
12 mH

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
For a purely inductive circuit which of the following is true?

Actual power of the circuit is zero
Any capacitance even if present in the circuit will not be charged
Apparent power is zero
Relative power is zero

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Two coils have self-inductances of 10 H and 2 H, the mutual inductance being zero. If the two coils are connected in series, the total inductance will be

6 H
9 H
12 H
10 H

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Mutually inductance between two magnetically coupled coils depends on

All of the listed here
Permeability of the core
Cross-sectional area of their common core
The number of their turns

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic induction
Air-core coils are practically free from

Hysteresis losses
Eddy current losses
Both Hysteresis losses & Eddy current losses
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electromagnetic induction

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
↑