MCQOPTIONS
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MCQOPTIONS
This section includes 21 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. |
Directivity of a directional coupler signifies the direction of power flow in the coupler. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Coupling factor of a directional coupler must be maximum and is a key factor that determines the performance of the coupler. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The diagonal elements of the S matrix of an improperly matched circulator is zero. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A circulator is a 3 port network that allows energy flow in clockwise direction only. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
A lossless reciprocal 3 port network can be matched at all the three ports. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
A T junction has a 3×3 ‘s’ matrix. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
A_CIRCULATOR_IS_A_3_PORT_NETWORK_THAT_ALLOWS_ENERGY_FLOW_IN_CLOCKWISE_DIRECTION_ONLY.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Coupling factor of a directional coupler must be maximum and is a key factor that determines the performance of the coupler.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
The_diagonal_elements_of_the_S_matrix_of_an_improperly_matched_circulator_is_zero.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
In a symmetric coupler, the power delivered to the through port and output port are equal. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Insertion loss is the power delivered to the through port. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Isolation of a directional coupler is a measure of the: |
| A. | Power delivered to the uncoupled port |
| B. | Power delivered to the coupled port |
| C. | Power delivered to the second port |
| D. | None of the mentioned |
| Answer» B. Power delivered to the coupled port | |
| 13. |
Directivity_of_a_directional_coupler_signifies_the_direction_of_power_flow_in_the_coupler. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
A lossless reciprocal 3 port network can be matched at all the three ports? |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
If a microwave network is lossless, then S matrix of the microwave network is: |
| A. | Unitary |
| B. | Symmetric |
| C. | Identity matrix |
| D. | Zero matrix |
| Answer» B. Symmetric | |
| 16. |
If all the ports of a microwave network are matched, then the diagonal elements of the S matrix of the network is zero. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 17. |
Scattering matrix of a reciprocal network is: |
| A. | Symmetric |
| B. | Asymmetric |
| C. | Identity matrix |
| D. | Null matrix |
| Answer» B. Asymmetric | |
| 18. |
If a device is passive and contains no anisotropic elements, then the device is_______ network. |
| A. | Reciprocal |
| B. | Non reciprocal |
| C. | Lossless |
| D. | Lossy |
| Answer» B. Non reciprocal | |
| 19. |
A T junction has a 3×3 ‘s’ matrix.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
T- junction is an example for: |
| A. | 2 port network |
| B. | 3 port network |
| C. | 4 port network |
| D. | None of the mentioned |
| Answer» C. 4 port network | |
| 21. |
Power dividers and couplers are ______ microwave components used for power division or power combining. |
| A. | Passive |
| B. | Active |
| C. | Linear |
| D. | Non linear |
| Answer» B. Active | |