MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Calculate the reluctance when the magnetomotive force is 10A turns and the flux is 5Wb. |
| A. | 0.5A/Wb |
| B. | 5A/Wb |
| C. | 10A/Wb |
| D. | 2A/Wb |
| Answer» E. | |
| 2. |
As the magnetic flux density increases, the reluctance _____________ |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | Becomes zero |
| Answer» C. Remains the same | |
| 3. |
Reluctance is ________________ to the area of cross section the material. |
| A. | Directly proportional |
| B. | Inversely proportional |
| C. | Not related |
| D. | Equal |
| Answer» C. Not related | |
| 4. |
Reluctance is ________________ to the length of the material. |
| A. | Directly proportional |
| B. | Inversely proportional |
| C. | Not related |
| D. | Reluctance is ________________ to the length of the material. |
| Answer» B. Inversely proportional | |
| 5. |
CALCULATE_THE_RELUCTANCE_WHEN_THE_MAGNETOMOTIVE_FORCE_IS_10A_TURNS_AND_THE_FLUX_IS_5WB.?$ |
| A. | 0.5A/Wb |
| B. | 5A/Wb |
| C. | 10A/Wb |
| D. | 2A/Wb |
| Answer» E. | |
| 6. |
AS_THE_MAGNETIC_FLUX_DENSITY_INCREASES,_THE_RELUCTANCE______________?$ |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | Becomes zero |
| Answer» C. Remains the same | |
| 7. |
As the magnetic field strength increases, reluctance? |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | Becomes zero |
| Answer» B. Decreases | |
| 8. |
The electrical equivalent of reluctance is? |
| A. | Resistance |
| B. | Inductance |
| C. | Capacitance |
| D. | Conductance |
| Answer» B. Inductance | |
| 9. |
Unit of reluctance is? |
| A. | AWb |
| B. | A<sup>2</sup>/Wb |
| C. | Wb/A |
| D. | A/Wb |
| Answer» E. | |
| 10. |
When the area of cross section of the material increases, what happens to reluctance? |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | Becomes zero |
| Answer» C. Remains the same | |
| 11. |
When the length of the material increases, what happens to reluctance? |
| A. | Increases |
| B. | Decreases |
| C. | Remains the same |
| D. | Becomes zero |
| Answer» B. Decreases | |
| 12. |
Reactance is ________________ to the area of cross section the material. |
| A. | Directly proportional |
| B. | Inversely proportional |
| C. | Not related |
| D. | Depends on the length of the material |
| Answer» C. Not related | |
| 13. |
Reactance is ________________ to the length of the material. |
| A. | Directly proportional |
| B. | Inversely proportional |
| C. | Not related |
| D. | Depends on the area of the material |
| Answer» B. Inversely proportional | |
| 14. |
Reciprocal of reluctance is __________ |
| A. | Permeance |
| B. | Susceptibility |
| C. | Resistance |
| D. | Conductance |
| Answer» B. Susceptibility | |