
TLW-unit4 quiz 3
Authored by VIJAYALAKSHMI P
Engineering
University

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In rectangular waveguides, the dimensions a and b represent the ________
Broad wall dimensions
Broad wall and side wall dimension respectively
Side wall and broad wall dimension respectively
Side wall dimensions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The condition which will satisfy the dimensions of the waveguide is ___________
a = b
a > b
a < b
ab = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sin θ in the waveguide refers to the ratio of _______
Frequency to wavelength
Wavelength to frequency
Cut off frequency to frequency
Frequency to cut off frequency
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The cut off frequency of the dominant mode in a TE wave in the line having a and b as 2.5 cm and 1 cm respectively is 6 GHz. Is the transmission of a frequency 5 GHz possible in the waveguide?
possible
impossible
may be
None of the options mentioned
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The modes of propagation supported by a rectangular wave guide is ___________
TM, TEM, TE modes
TM, TE
TM, TEM
TE, TEM
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A hollow rectangular waveguide cannot propagate TEM waves because _____________
of the existence of only one conductor
of the losses caused
it is dependent on the type of the material used
None of the options mentioned
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For any mode of propagation in a rectangular waveguide, propagation occurs _________
Above the cut off frequency
Below the cut off frequency
Only at the cut-off frequency
Depends on the dimension of the waveguide
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