MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A piece of ferric oxide with magnetic field intensity 106 A/m and susceptibility is 1.5 × 10-3. Find the magnetisation of the material. |
| A. | 15A/m |
| B. | 150A/m |
| C. | 1.5A/m |
| D. | 1500A/m |
| Answer» E. | |
| 2. |
A paramagnetic material had a magnetic field intensity of 104 A/m. If the susceptibility of the material at room temperature is 3.7×10-3, calculate the flux density in the material. |
| A. | 37Wb/m2 |
| B. | 3.725Wb/m2 |
| C. | 0.012612Wb/m2 |
| D. | 0 |
| Answer» D. 0 | |
| 3. |
A paramagnetic material had a magnetic field intensity of 104 A/m. If the susceptibility of the material at room temperature is 3.7×10-3, calculate the magnetisation. |
| A. | 37A/m |
| B. | 3.7A/m |
| C. | 370A/m |
| D. | 0 |
| Answer» B. 3.7A/m | |
| 4. |
What is the material used in two port device? |
| A. | Ferromagnets |
| B. | Ferrites |
| C. | Antiferromagnets |
| D. | Paramagnets |
| Answer» C. Antiferromagnets | |
| 5. |
In which of the following increases and then decreases? |
| A. | Ferromagnetic material |
| B. | Antiferromagnetic material |
| C. | Paramagnetic material |
| D. | Diamagnetic material |
| Answer» C. Paramagnetic material | |
| 6. |
A_PARAMAGNETIC_MATERIAL_HAD_A_MAGNETIC_FIELD_INTENSITY_OF_104_A/M._IF_THE_SUSCEPTIBILITY_OF_THE_MATERIAL_AT_ROOM_TEMPERATURE_IS_3.7‚ÄÖ√†√∂‚Àւ•10-3,_CALCULATE_THE_FLUX_DENSITY_IN_THE_MATERIAL.?$# |
| A. | 37Wb/m<sup>2</sup> |
| B. | 3.725Wb/m<sup>2</sup> |
| C. | 0.012612Wb/m<sup>2</sup> |
| D. | 0 |
| Answer» D. 0 | |
| 7. |
A_piece_of_ferric_oxide_with_magnetic_field_intensity_106_A/m_and_susceptibility_is_1.5_√ó10-3._Find_the_magnetisation_of_the_material.$# |
| A. | 15A/m |
| B. | 150A/m |
| C. | 1.5A/m |
| D. | 1500A/m |
| Answer» E. | |
| 8. |
A paramagnetic material had a magnetic field intensity of 104 A/m. If the susceptibility of the material at room temperature is 3.7√ó10-3, calculate the magnetisation?# |
| A. | 37A/m |
| B. | 3.7A/m |
| C. | 370A/m |
| D. | 0 |
| Answer» B. 3.7A/m | |
| 9. |
What is the material used in two port device? |
| A. | Ferromagnets |
| B. | Ferrites |
| C. | Antiferromagnets |
| D. | Paramagnets |
| Answer» C. Antiferromagnets | |
| 10. |
In which of the following the increases and then decreases? |
| A. | Ferromagnetic material |
| B. | Antiferromagnetic material |
| C. | Paramagnetic material |
| D. | Diamagnetic material |
| Answer» C. Paramagnetic material | |
| 11. |
Which of the following materials have a permanent magnetic moment? |
| A. | Ferromagnetic material |
| B. | Ferrimagnetic material |
| C. | Diamagnetic material |
| D. | Paramagnetic material |
| Answer» B. Ferrimagnetic material | |
| 12. |
When does a ferromagnetic material become paramagnetic material? |
| A. | At Curie temperature |
| B. | Below Curie temperature |
| C. | Above Curies temperature |
| D. | Never |
| Answer» D. Never | |
| 13. |
Which of the following exhibits spontaneous magnetisation? |
| A. | Paramagnetic material |
| B. | Ferrimagnetic material |
| C. | Diamagnetic material |
| D. | Ferromagnetic material |
| Answer» E. | |
| 14. |
Which of the following is a strong magnet? |
| A. | Diamagnetic material |
| B. | Paramagnetic material |
| C. | Antiferromagnetic material |
| D. | Ferromagnetic material |
| Answer» E. | |
| 15. |
In which of the following the magnetic moments align themselves parallel to each other? |
| A. | Paramagnetic material |
| B. | Ferromagnetic material |
| C. | Ferrimagnetic material |
| D. | Diamagnetic material |
| Answer» C. Ferrimagnetic material | |