• 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 Field Theory

Electromagnetic Field Theory
Ohm’s law in point from field theory can be expressed as

 J = σE.
 J = E / σ.
 R = ρ × ( l / A).
 V = IR.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A medium is said to be isotropic when

 ∈ is zero.
 ∈ = μσ.
 ∈ is a scalar constant.
 ∈ = μ.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Magnetic flux density emerging out of a closed surface is

 infinite.
 depends on magnetic movements outside the closed surface
 depends on magnetic movements inside the closed surface.
 zero.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
A loop is rotating about x-axis in a magnetic field, B = BO cos(ω + φ) ay. The voltage in the loop is

 Due to both rotating and transformer action.
 Zero.
 Due to transformer only.
 Due to rotating only.

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
The main disadvantage of the two-hole directional coupler is

Low directional coupling
Poor directivity
High standing wave ratio
Narrow bandwidth

ANSWER DOWNLOAD EXAMIANS APP

Electromagnetic Field Theory
Radiation intensity in a given direction is the

Energy radiated per square metre
None of these
Power radiated per square metre
Power radiated per unit solid angle in that direction

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electromagnetic Field Theory

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
↑