Exercise: Microwave Communication

Questions for: Microwave Communication

The scattering matrix of magic tee is
A:
B:
C:
D:
Answer: A
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A TEM wave is incident normally on a perfect conductor. The E and H fields at boundary will respectively be
A:
minimum and maximum
B:
minimum and minimum
C:
maximum and minimum
D:
maximum and maximum
Answer: A
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If a and b are the width and height of rectangular wave-guide the cut off wavelength λc for TE20 mode is equal to
A:
a
B:
a + b
C:
a - b
D:
a2 + b2
Answer: A
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In a rectangular waveguide cutoff wavelength for TE10 mode is 8 cm. Then cutoff wavelength for TE20 mode is
A:
8 cm
B:
6 cm
C:
4 cm
D:
2 cm
Answer: C
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A rectangular waveguide has width a. Then at the cutoff frequency (with corresponding wave length λc)
A:
B:
a = λc
C:
D:
a = 2λc
Answer: A
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