MCQOPTIONS
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MCQOPTIONS
This section includes 7 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. |
For a distortion less line, R= 0.8 /m, G= 0.8 msiemens/m, L= 0.01 H/m then C is: |
| A. | 10 pF |
| B. | 1pF |
| C. | 1nF |
| D. | 10nF |
| Answer» B. 1pF | |
| 2. |
The condition for a distortion less line is: |
| A. | R/L=G/C |
| B. | R/C=G/L |
| C. | R=G |
| D. | C=L |
| Answer» B. R/C=G/L | |
| 3. |
If R = 1.5 /m, G = 0.2 mseimens/m, L = 2.5 nH/m, C = 0.1 pF/m for a low loss transmission line, then the attenuation constant of the transmission line is: |
| A. | 0.0.158 |
| B. | 0.0523 |
| C. | 0.0216 |
| D. | 0.0745 |
| Answer» B. 0.0523 | |
| 4. |
If the characteristic impedance of a transmission line is 50 , and the inductance of the transmission line being 25 mH/m, the capacitance of the lossy transmission line is: |
| A. | 1 F |
| B. | 10 F |
| C. | 0.1 F |
| D. | 50 F |
| Answer» C. 0.1 F | |
| 5. |
If the inductance and capacitance of a loss line transmission line are 45 mH/m and10 F/m, the characteristic impedance of the transmission line is: |
| A. | 50 |
| B. | 67.08 |
| C. | 100 |
| D. | none of the mentioned |
| Answer» C. 100 | |
| 6. |
Expression for characteristic impedance Z of a transmission line in terms of L and C the transmission line is: |
| A. | (C/L) |
| B. | (CL) |
| C. | (L/C) |
| D. | 1/ (LC) |
| Answer» D. 1/ (LC) | |
| 7. |
Expression for (attenuation constant) in terms of R , G, L and C of a transmission line is: |
| A. | (R (C/L)+G (L/C))0.5 |
| B. | (R (C/L)+G (L/C)) |
| C. | (R (L/C)+G (C/L)) |
| D. | (R (L/C)+G (C/L))0.5 |
| Answer» B. (R (C/L)+G (L/C)) | |