MCQOPTIONS
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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. | |