MCQOPTIONS
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MCQOPTIONS
This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Electromagnetic Theory knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The distance between two terminated plates is given by the |
| A. | Guided wavelength |
| B. | 2(guided wavelength) |
| C. | Guided wavelength/2 |
| D. | (Guided wavelength)/4 |
| Answer» D. (Guided wavelength)/4 | |
| 2. |
The reflection coefficient, when a resonant cavity is placed between the waveguide is |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | Infinite |
| Answer» C. -1 | |
| 3. |
The boundary between the Fresnel and Fraunhofer zones having a length of 12 units and a wavelength of 3 units is |
| A. | 96 |
| B. | 48 |
| C. | 192 |
| D. | 36 |
| Answer» B. 48 | |
| 4. |
Does the mode TM30 exists? |
| A. | Yes |
| B. | No |
| Answer» C. | |
| 5. |
The modes TMmo and TMon are called |
| A. | Generate modes |
| B. | Degenerate modes |
| C. | Dominant modes |
| D. | Evanescent modes |
| Answer» E. | |
| 6. |
THE_BOUNDARY_BETWEEN_THE_FRESNEL_AND_FRAUNHOFER_ZONES_HAVING_A_LENGTH_OF_12_UNITS_AND_A_WAVELENGTH_OF_3_UNITS_IS?$ |
| A. | 96 |
| B. | 48 |
| C. | 192 |
| D. | 36 |
| Answer» B. 48 | |
| 7. |
The distance between two terminated plates is given by the$ |
| A. | Guided wavelength |
| B. | 2(guided wavelength) |
| C. | Guided wavelength/2 |
| D. | (Guided wavelength)/4 |
| Answer» D. (Guided wavelength)/4 | |
| 8. |
The_reflection_coefficient,_when_a_resonant_cavity_is_placed_between_the_waveguide_is$ |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | Infinite |
| Answer» C. -1 | |
| 9. |
Find the guided wavelength if the distance between the two conducting plates in the waveguide is 2 cm. |
| A. | 4cm |
| B. | 2cm |
| C. | 1cm |
| D. | 0.5cm |
| Answer» B. 2cm | |
| 10. |
Does the mode TM30 exists? |
| A. | Yes |
| B. | No |
| Answer» C. | |
| 11. |
Two modes with same cut off frequency are said to be |
| A. | Generate modes |
| B. | Dominant modes |
| C. | Degenerate modes |
| D. | Regenerate modes |
| Answer» D. Regenerate modes | |
| 12. |
The modes TMmo and TMon are called |
| A. | Generate modes |
| B. | Degenerate modes |
| C. | Dominant modes |
| D. | Evanescent modes |
| Answer» E. | |
| 13. |
The intrinsic impedance of a TM wave will be |
| A. | Greater than 377 ohm |
| B. | Equal to 377 ohm |
| C. | Lesser than 377 ohm |
| D. | Does not exist |
| Answer» D. Does not exist | |
| 14. |
The v number of a waveguide having 120 modes is |
| A. | 15.5 |
| B. | 18 |
| C. | 24 |
| D. | 12 |
| Answer» B. 18 | |
| 15. |
The modes in a waveguide having a V number of 20 is |
| A. | 400 |
| B. | 200 |
| C. | 100 |
| D. | 40 |
| Answer» C. 100 | |
| 16. |
The dominant mode in the TM waves is |
| A. | TM<sub>01</sub> |
| B. | TM<sub>10</sub> |
| C. | TM<sub>20</sub> |
| D. | TM<sub>11</sub> |
| Answer» E. | |
| 17. |
In transverse magnetic waves, which of the following is true? |
| A. | E is parallel to H |
| B. | H is parallel to wave direction |
| C. | H is transverse to wave direction |
| D. | E is transverse to H |
| Answer» D. E is transverse to H | |