logo

CuriousTab

CuriousTab

Discussion

Home ‣ Electronics and Communication Engineering ‣ Microwave Communication Comments
  • Question

  • The most commonly used magnetron is


  • Options
  • A. cylindrical
  • B. parallel plate
  • C. inclined plate
  • D. flat plate

  • Correct Answer
  • cylindrical 

    • Microwave Communication problems

    Search Results

    • 1. Fibers have numerical aperture (NA) in the range of 0.15 to 0.4 Fibers with higher NA value would have

    • Options
    • A. reduced losses
    • B. high bandwidth
    • C. reduced losses and low bandwidth
    • D. more losses and low bandwidth
      • Discuss
    • 2. A line of length slightly longer than and open circuited at far end behaves as

    • Options
    • A. inductance L
    • B. capacitance C
    • C. L and C in series
    • D. L and C in parallel
      • Discuss
    • 3. Integrated fin line can be utilized as a medium for constructing millimeter wave circuits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A 3 port circulator is in the given figure. Its scattering matrix is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 5. A rectangular wave guide has two stubs each of length connected at the source end. The stubs are circuited. Then the stubs present

    • Options
    • A. an infinite impedance in shunt with line
    • B. an infinite impedance in series with line
    • C. a zero impedance in shunt with line
    • D. a finite impedance in shunt with line
      • Discuss
    • 6. Assertion (A): For a reciprocal microwave junction the S matrix is symmetrical.

      Reason (R): In a symmetrical matrix Sij = Sji.


    • Options
    • A. Both A and R are correct and R is correct explanation of A
    • B. Both A and R are correct but R is not correct explanation of A
    • C. A is correct but R is wrong
    • D. A is wrong but R is correct
      • Discuss
    • 7. In a waveguide the dielectric region is generally

    • Options
    • A. air
    • B. magnetic material
    • C. brass
    • D. mica
      • Discuss
    • 8. Which part of radio spectrum is more crowded?

    • Options
    • A. Lower frequency part
    • B. Higher frequency part
    • C. Both (a) and (b)
    • D. None of these
      • Discuss
    • 9. In the given figure the equivalent circuit of a T attenuator. If the condition for matched attenuator is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. In microwave circuits, a mode transducer is used to

    • Options
    • A. change mode of wave transmission
    • B. change direction of wave transmission
    • C. change polarization of wave transmission
    • D. change mode, direction or polarization wave transmission
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.