Explore topic-wise MCQs in Microwave Engineering.

This section includes 17 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.

Inductance of an open circuited λ/2 transmission line is dependent on the characteristic impedance of the transmission line.

A. True
B. False
Answer» B. False
2.

The equivalent capacitance of a short circuited λ/4 transmission line is dependent on the characteristic impedance of the transmission line.

A. True
B. False
Answer» B. False
3.

A microstrip patch antenna has a width of 5.08mm and surface resistivity of 1.84*10-2. Then the attenuation due to conductor loss is:

A. 0.0724
B. 0.034
C. 0.054
D. None of the mentioned
Answer» B. 0.034
4.

The equivalent resistance of a short circuited λ/4 transmission line is independent of the characteristic impedance of the transmission line.

A. True
B. False
Answer» C.
5.

An air coaxial cable has attenuation of 0.022 and phase constant of 104.7, then the quality factor of a λ/2 short circuited resonator made out of this material is:

A. 2380
B. 1218
C. 1416
D. Insufficient data
Answer» B. 1218
6.

A coaxial cable is air filled with air as dielectric with inner and outer radius equal to 1 mm and 4 mm. If the surface resistivity is 1.84*10-2Ω,then the attenuation due to conductor loss is:

A. 0.011
B. 0.022
C. 0.11
D. 0.22
Answer» B. 0.022
7.

Short circuited λ/2 transmission line has a quality factor of:

A. β/2α
B. 2β/α
C. β/α
D. Z0/ZL
Answer» B. 2β/α
8.

INDUCTANCE_OF_AN_OPEN_CIRCUITED_‚ÂÀ√≠¬¨‚Ñ¢/2_TRANSMISSION_LINE_IS_DEPENDENT_ON_THE_CHARACTERISTIC_IMPEDANCE_OF_THE_TRANSMISSION_LINE.?$#

A. True
B. False
Answer» B. False
9.

The equivalent capacitance of a short circuited λ/4 transmission line is dependent on the characteristic impedance of the transmission line?#

A. True
B. False
Answer» B. False
10.

If the attenuation due to dielectric loss and attenuation due to conductor loss in a microstrip transmission line is 0.024Np/m and 0.0724 Np/m, then the unloaded quality factor if the propagation constant is 151 is:

A. 150
B. 783
C. 587
D. 234
Answer» C. 587
11.

A microstrip patch antenna has a width of 5.08mm and surface resistivity of 1.84*10-2. Then the attenuation due to conductor loss is:

A. 0.0724
B. 0.034
C. 0.054
D. None of the mentioned
Answer» B. 0.034
12.

The equivalent resistance of a short circuited λ/4 transmission line is independent of the characteristic impedance of the transmission line.$

A. True
B. False
Answer» C.
13.

An air coaxial cable has attenuation of 0.022 and phase constant of 104.7, then the quality factor of a λ/2 short circuited resonator made out of this material is:$

A. 2380
B. 1218
C. 1416
D. Insufficient data
Answer» B. 1218
14.

A coaxial cable is air filled with air as dielectric with inner and outer radius equal to 1 mm and 4 mm. If the surface resistivity is 1.84*10-2Ω,then the attenuation due to conductor loss is:$

A. 0.011
B. 0.022
C. 0.11
D. 0.22
Answer» B. 0.022
15.

Quality factor of a coaxial cable transmission line is independent of the medium between the wires of the transmission line.

A. True
B. False
Answer» C.
16.

Short circuited λ/2 transmission line has a quality factor of:$

A. β/2α
B. 2β/α
C. β/α
D. Z0/ZL
Answer» B. 2‚âà√≠‚Äö√¢¬ß/‚âà√≠¬¨¬±
17.

Lumped elements can be used to make resonators that rare to be operated at microwave frequencies.

A. True
B. False
Answer» C.