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Electromagnetic Field Theory (Electrical Engineering) - MCQs

These are four options provided for the answers of the question only one option is right answer. You have to click any of the option to check your answer. You can also directly see the answer from the answer link below. if you want to see explaination of the answer you can click discuss link.

Q1.
A transmission line whose characteristics impedance is a pure resistance
  • A. must be lossless line
  • B. must be a distortion less lines
  • C. may not be lossless line
  • D. may not be a distortionless line
    Discuss    
Q2.
Which of the following is a vector quantity?
  • A. standing wave ratio only
  • B. reflection coefficient only
  • C. gain
  • D. standing wave ratio of reflection coefficient
    Discuss    
Q3.
What causes electromagnetic wave polarization?
  • A. refraction
  • B. reflection
  • C. longitudinal nature of electromagnetic wave
  • D. transverse nature of electromagnetic wave
    Discuss    
Q4.
An open coil has
  • A. zero resistance and zero inductance
  • B. infinite resistance and infinite inductance
  • C. infinite resistance and zero inductance
  • D. zero resistance and infinite inductance
    Discuss    
Q5.
lower the self inductance of a coil
  • A. more will be the weber turns
  • B. more will be the EMF induced
  • C. lesser the flux produced by it
  • D. smaller the delay in establishing steady current through it
    Discuss    
Q6.
If in an iron code coil the iron core is removed so as to make the air cored coil, the inductance of the coil will be
  • A. more
  • B. less
  • C. the same
  • D. none of these
    Discuss    
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