MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
The capacitance per unit length of broadside parallel lines with width W and separation d is: |
| A. | ∈W/d |
| B. | ∈d/W |
| C. | dW/∈ |
| D. | none of the mentioned |
| Answer» B. ∈d/W | |
| 2. |
Three section binomial couplers have very low directivity as compared to other coupler designs. |
| A. | true |
| B. | false |
| Answer» C. | |
| 3. |
Multisection couplers have a very narrow operational bandwidth which is a major disadvantage. |
| A. | true |
| B. | false |
| Answer» C. | |
| 4. |
If the coupling coefficient of a coupled line coupler is 0.1 and the characteristic impedance of the material is 50 Ω, then the odd mode characteristic impedance is: |
| A. | 45.23 Ω |
| B. | 50 Ω |
| C. | 38 Ω |
| D. | none of the mentioned |
| Answer» B. 50 Ω | |
| 5. |
For coupled line coupler, if the voltage coupling factor is 0.1 and the characteristic impedance of the microstrip line is 50 Ω, even mode characteristic impedance is: |
| A. | 50.23 Ω |
| B. | 55.28 Ω |
| C. | 100 Ω |
| D. | 80.8 Ω |
| Answer» C. 100 Ω | |
| 6. |
THREE_SECTION_BINOMIAL_COUPLERS_HAVE_VERY_LOW_DIRECTIVITY_AS_COMPARED_TO_OTHER_COUPLER_DESIGNS.?$ |
| A. | true |
| B. | false |
| Answer» C. | |
| 7. |
The_capacitance_per_unit_length_of_broadside_parallel_lines_with_width_W_and_separation_d_is:$ |
| A. | ‚ààW/d |
| B. | ‚ààd/W |
| C. | dW/‚àà |
| D. | none of the mentioned |
| Answer» B. ‚Äö√Ñ√∂‚àö‚Ć‚àö‚Ćd/W | |
| 8. |
Multisection couplers have a very narrow operational bandwidth which is a major disadvantage? |
| A. | true |
| B. | false |
| Answer» C. | |
| 9. |
Dielectric and conductor loss have no effect on the directivity of the coupled line coupler. |
| A. | true |
| B. | false |
| Answer» C. | |
| 10. |
If the coupling coefficient of a coupled line coupler is 0.1 and the characteristic impedance of the material is 50 Ω, then the odd mode characteristic impedance is:$ |
| A. | 45.23 Ω |
| B. | 50 Ω |
| C. | 38 Ω |
| D. | none of the mentioned |
| Answer» B. 50 ‚âà√≠¬¨¬© | |
| 11. |
For coupled line coupler, if the voltage coupling factor is 0.1 and the characteristic impedance of the microstrip line is 50 Ω, even mode characteristic impedance is:$ |
| A. | 50.23 Ω |
| B. | 55.28 Ω |
| C. | 100 Ω |
| D. | 80.8 Ω |
| Answer» C. 100 ‚âà√≠¬¨¬© | |
| 12. |
Coupled line couplers are: |
| A. | symmetric couplers |
| B. | asymmetric couplers |
| C. | in phase couplers |
| D. | type of hybrid coupler |
| Answer» B. asymmetric couplers | |
| 13. |
The mode of propagation of propagation supported by coupled line couplers is: |
| A. | TM mode |
| B. | TE mode |
| C. | TEM mode |
| D. | quasi TEM mode |
| Answer» D. quasi TEM mode | |
| 14. |
The number of conductors used in the construction of coupled line couplers is fixed. |
| A. | true |
| B. | false |
| Answer» C. | |
| 15. |
In coupled line directional couplers, power from one line to another is transmitted through a microstrip line running between them. |
| A. | true |
| B. | false |
| Answer» C. | |