MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
For a tapered line coupler, the curves of S12 and S13 are identical and have the same magnitude at all frequencies. |
| A. | true |
| B. | false |
| Answer» C. | |
| 2. |
The plot of frequency V/s S11 parameter for a tapered line coupler has a dip at the frequency at which it is designed. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 3. |
The tapered coupled line 1800 hybrid can provide an arbitrary power division at the 2 output ports of the coupler. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 4. |
When a TE10 wave is incident on port 4 of a magic-T, all the power is coupled to port 1. |
| A. | true |
| B. | false |
| Answer» C. | |
| 5. |
18000 ring hybrid with system impedance of 50 Ω has to be designed. Then the characteristic impedance of the arms of the 1800 hybrid is: |
| A. | 50 Ω |
| B. | 70.70 Ω |
| C. | 100 Ω |
| D. | none of the mentioned |
| Answer» C. 100 Ω | |
| 6. |
In 1800 hybrid, different power levels can be received at the two output ports of the hybrid. |
| A. | true |
| B. | false |
| Answer» C. | |
| 7. |
S matrix of 1800 hybrid consists of all diagonal elements zero. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 8. |
Port 1 and port 4 of 1800 hybrid are called sum and difference ports respectively because of their behavior and action mechanism. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 9. |
1800 hybrid is a network in which there is a phase shift of 1800 between the input signal applied and the output taken. |
| A. | true |
| B. | false |
| Answer» C. | |