Electromagnetic Field Theory (Electrical Engineering) - MCQs
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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
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
Q3. |
What causes electromagnetic wave polarization? |
- A. refraction
- B. reflection
- C. longitudinal nature of electromagnetic wave
- D. transverse nature of electromagnetic wave
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
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
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
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