Exercise: Microwave Communication

Questions for: Microwave Communication

Assertion (A): In rectangular waveguide TE01 mode is just TE10 mode rotated by 90°.

Reason (R): When a rectangular waveguide is rotated by 90°, the broad and narrow dimensions get interchanged.

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
Answer: A
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A 'rat race' is a
A:
hybrid junction for microwaves
B:
a microwave oscillator
C:
a microwave amplifier
D:
a microwave antenna
Answer: A
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Guide wavelength (λg), cutoff wavelength (λc) and free space wavelength (λ0) of a waveguide are related as
A:
B:
C:
D:
Answer: A
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In microwave system, waveguide twists
A:
change the plane of polarization of a propagating wave
B:
change the direction of a propagating wave
C:
change the mode of a propagating wave
D:
both (b) and (c)
Answer: A
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TM01 mode in circular waveguide is analogous to
A:
TM10 mode in square waveguide
B:
TM11 mode in square waveguide
C:
TM20 mode in square waveguide
D:
TM02 mode in square waveguide
Answer: B
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