☰ Electromagnetic Field Theory (Electrical Engineering) - MCQs

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Q13.

Magnetic current is composed of which of the following

  • A. only conduction component
  • B. only displacement component
  • C. both conduction and displacement components
  • D. neither conduction component not displacement component
    ✍ Discuss    
Q14.

Which of the following statements holds that divergence of electric and magnetic flux densities

  • A. both at zero
  • B. these are zero for static densities but non zero for time varying densities
  • C. it is zero for the electric flux density
  • D. it is zero for the magnetic flux density
    ✍ Discuss    
Q15.

The field at any point on the axis of a current carrying coil will be

  • A. perpendicular to the axis
  • B. parallel to the axis
  • C. attain angle of 45 degree with axis
  • D. zero
    ✍ Discuss    
Q16.

Reluctance offered by the magnetic circuit depends upon

  • A. nature of magnetic material
  • B. length of magnetic flux path
  • C. cross sectional area of the material
  • D. all of the above
    ✍ Discuss    
Q17.

the conductance of electrical circuit in analogous in magnetic circuit by

  • A. flux
  • B. reluctance
  • C. permeance
  • D. relative permeability
    ✍ Discuss    
Q18.

The unit of magnetic flux density is

  • A. Gauss
  • B. Tesla
  • C. Bohr
  • D. Weber/sec
    ✍ Discuss    
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