Explore topic-wise MCQs in Microwave Engineering.

This section includes 13 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.

In aperture coupling, a small aperture in the transverse wall of the waveguide acts as:

A. shunt inductance
B. shunt capacitance
C. series inductance
D. series capacitance
Answer» B. shunt capacitance
2.

When coupling coefficient is 1, the resonator is ________ to the feed line.

A. under coupled
B. over coupled
C. critically coupled
D. none of the mentioned
Answer» D. none of the mentioned
3.

For practical applications cavity resonators can be modified as per the requirement of the application where it is used.

A. true
B. false
Answer» B. false
4.

IN_APERTURE_COUPLING,_A_SMALL_APERTURE_IN_THE_TRANSVERSE_WALL_OF_THE_WAVEGUIDE_ACTS_AS:?$

A. shunt inductance
B. shunt capacitance
C. series inductance
D. series capacitance
Answer» B. shunt capacitance
5.

When coupling coefficient is 1, the resonator is ________ to the feed line?

A. under coupled
B. over coupled
C. critically coupled
D. none of the mentioned
Answer» D. none of the mentioned
6.

For practical applications cavity resonators can be modified as per the requirement of the application where it is used?

A. true
B. false
Answer» B. false
7.

Direct measurement of the unloaded Q of a resonator is not possible.

A. true
B. false
Answer» B. false
8.

When the coupling coefficient is lesser than one, the resonator is over coupled to the feed line.

A. true
B. false
Answer» C.
9.

Coupling coefficient Q can be defined as the ratio of unloaded Q to external Q.

A. true
B. false
Answer» B. false
10.

When impedance matching is done between a resonator and a feed line, the condition for impedance matching is:

A. R=Z<sub>0</sub>
B. R=Z<sub>0</sub>/2
C. R=2Z<sub>0</sub>
D. R=‚àöZ<sub>0</sub>
Answer» B. R=Z<sub>0</sub>/2
11.

To obtain maximum power transfer between a resonator and feed line, the resonator should be matched to the load at:

A. resonant frequency
B. cutoff frequency
C. zero frequency
D. none of the mentioned
Answer» B. cutoff frequency
12.

A measure of the level of coupling between a resonator and a feed is given by:

A. coupling coefficient
B. power transfer coefficient
C. voltage coefficient
D. reflection coefficient
Answer» B. power transfer coefficient
13.

The level of coupling required between a resonator and its attached circuitry is a standard and independent of the application where coupling is required.

A. true
B. false
Answer» C.