Explore topic-wise MCQs in Microwave Engineering.

This section includes 16 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

A perfect match can be obtained in the passband for any impedance matching circuit around the center frequency for which it is defined.

A. True
B. False
Answer» C.
Discussion
2.

For a given load (a fixed RC product), a broader bandwidth can be achieved with a low reflection co-efficient in the passband.

A. True
B. False
Answer» C.
Discussion
3.

For any load impedance, perfect match can be obtained and the minimum reflection co-efficient achieved can be zero.

A. True
B. False
Answer» C.
Discussion
4.

The maximum passband ripple in a Klopfenstein taper matching section is:

A. Г0/cos h A
B. Г0/sin h A
C. Г0/ tan h A
D. None of the mentioned
Answer» B. Г0/sin h A
Discussion
5.

The value of constant ‘a’ for an exponentially tapered line of length 5 cm with load impedance being 100Ω and characteristic impedance of the line is 50Ω is:

A. 0.1386
B. 0.265
C. 0.5
D. 0.2
Answer» B. 0.265
Discussion
6.

FOR_ANY_LOAD_IMPEDANCE,_PERFECT_MATCH_CAN_BE_OBTAINED_AND_THE_MINIMUM_REFLECTION_CO-EFFICIENT_ACHIEVED_CAN_BE_ZERO.?$

A. True
B. False
Answer» C.
Discussion
7.

A perfect match can be obtained in the passband for any impedance matching circuit around the center frequency for which it is defined.$

A. True
B. False
Answer» C.
Discussion
8.

For_a_given_load_(a_fixed_RC_product),_a_broader_bandwidth_can_be_achieved_with_a_low_reflection_co-efficient_in_the_passband.$

A. True
B. False
Answer» C.
Discussion
9.

The maximum passband ripple in a Klopfenstein taper matching section is?

A. –ì<sub>0</sub>/cos h A
B. –ì<sub>0</sub>/sin h A
C. –ì<sub>0</sub>/ tan h A
D. None of the mentioned
Answer» B. ‚Äö√Ñ√¨‚àö¬®<sub>0</sub>/sin h A
Discussion
10.

Triangular taper is the best solution for any impedance matching requirement.

A. True
B. False
Answer» C.
Discussion
11.

Reflection co-efficient magnitude response is an exponential curve for tapered line.

A. True
B. False
Answer» C.
Discussion
12.

The value of constant ‘a’ for an exponentially tapered line of length 5 cm with load impedance being 100Ω and characteristic impedance of the line is 50Ω is:$

A. 0.1386
B. 0.265
C. 0.5
D. 0.2
Answer» B. 0.265
Discussion
13.

The variation of impedance of an exponentially tapered line along the length of the line is given by:

A. Z(z)=Z<sub>0</sub>e<sup>az</sup>
B. Z(z)=Z<sub>0</sub>e<sup>-az</sup>
C. Z(z)=Z<sub>0</sub>e<sup>2az</sup>
D. Z(z)=Z<sub>0</sub>e<sup>-2az</sup>
Answer» B. Z(z)=Z<sub>0</sub>e<sup>-az</sup>
Discussion
14.

For a continually tapered line, the incremental reflection co-efficient is:

A. ∆Z/2Z
B. 2Z/∆Z
C. ∆Z<sub>0</sub>/2Z<sub>0</sub>
D. None of the mentioned
Answer» B. 2Z/‚Äö√Ñ√∂‚àö‚Ć‚àö√∫Z
Discussion
15.

Passband characteristics of tapered lines differ from one type of taper to another.

A. True
B. False
Answer» B. False
Discussion
16.

A single section tapered line is more efficient in impedance matching than a multisection tapered line for impedance matching.

A. True
B. False
Answer» C.
Discussion