☰ Electromagnetic Field Theory (Electrical Engineering) - MCQs

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Q19.

ln a current carrying conductor is placed in a magnetic field, the mechanical force experienced on the conductor is determined by

  • A. simple product
  • B. dot product
  • C. cross product
  • D. any of these
    ✍ Discuss    
Q20.

The magnitude of force acting on a current carrying conductor placed in a magnetic field is dependent of

  • A. flux density
  • B. length of conductor
  • C. cross sectional area of conductor
  • D. current flowing through the conductor
    ✍ Discuss    
Q21.

Tthe magnitude of magnetic field strength H is dependent of

  • A. current only
  • B. distance only
  • C. permeability of the medium only
  • D. both current and distance
    ✍ Discuss    
Q22.

Who developed the concept of time varying electric field producing a magnetic field

  • A. Gauss
  • B. Faraday
  • C. Hertz
  • D. Maxwell
    ✍ Discuss    
Q23.

A current is flowing in a circular conductor in a clockwise direction. The coil in the plane of paper. The direction of the magnetic field is

  • A. always from you
  • B. in the plane of the paper
  • C. toward you
  • D. none of these
    ✍ Discuss    
Q24.

Which of the following is a vector quantity

  • A. magnetic potential
  • B. susceptibility
  • C. magnetic field intensity
  • D. magnetic flux density
    ✍ Discuss    
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