MCQOPTIONS
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MCQOPTIONS
This section includes 5 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/m<sup>2</sup> |
| B. | 3.725Wb/m<sup>2</sup> |
| C. | 0.012612Wb/m<sup>2</sup> |
| 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 | |