MCQOPTIONS
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MCQOPTIONS
This section includes 6 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. |
As the number of sections in the binomial multisection transformer increases the plot of normalized frequency v/s reflection co-efficient has a wider open curve. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 2. |
In the plot of normalized frequency v/s reflection co-efficient for a binomial multisection filter, the curve has a dip at: |
| A. | center frequency |
| B. | upper cutoff frequency |
| C. | lower cutoff frequency |
| D. | none of the mentioned |
| Answer» B. upper cutoff frequency | |
| 3. |
The reflection coefficient N in terms of successive impedances Zn and Zn+1 when multisection transformers are used in a binomial matching transformer is given by: |
| A. | 0.5ln (Z<sub>n+1</sub>/Z<sub>n</sub>) |
| B. | ln (Z<sub>n+1</sub>/Z<sub>n</sub>) |
| C. | 0.5ln (Z<sub>n</sub>/Z<sub>n+1</sub>) |
| D. | (Z<sub>n</sub>/Z<sub>n+1</sub>) |
| Answer» B. ln (Z<sub>n+1</sub>/Z<sub>n</sub>) | |
| 4. |
The condition ( ) =0 for = /2 of a binomial multi section transformer corresponds to the: |
| A. | upper cutoff frequency |
| B. | lower cutoff frequency |
| C. | center frequency |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 5. |
To obtain a flat curve in the response of a binomial multisection transformer, N-1 derivatives of ( ) are set to zero. This implies: |
| A. | the frequency sensitivity of the matching section is increased linearly |
| B. | the frequency sensitivity of the matching section is increased exponentially |
| C. | roll off in the curve is increased |
| D. | none of the mentioned |
| Answer» E. | |
| 6. |
If a quality binomial matching transformer gives a good flat response curve, it is called maximally flat . |
| A. | true |
| B. | false |
| Answer» B. false | |