MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the correct combination regarding relative permeability and magnetic susceptibility of a paramagnetic substance. |
| A. | μr > 1, χ < 0 |
| B. | μr < 1, χ > 0 |
| C. | μr < 1, χ < 0 |
| D. | μr > 1, χ > 0 |
| Answer» E. | |
| 2. |
Ferromagnetic materials does not show hysteresis. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
A material has a permeability of 0.1 H/m when the magnetic intensity is 70 A/m. What will be the magnetic induction inside the material? |
| A. | 7 T |
| B. | 0.7 T |
| C. | 70 T |
| D. | 0.07 |
| Answer» B. 0.7 T | |
| 4. |
The magnetic susceptibility of a paramagnetic material at -800C is 0.0085, then what is its value at -1800C? |
| A. | 0.015 |
| B. | 0.016 |
| C. | 0.017 |
| D. | 0.018 |
| Answer» D. 0.018 | |
| 5. |
The relative permeability of a medium is 0.050. What is its magnetic susceptibility? |
| A. | 500 |
| B. | 501 |
| C. | 49.9 |
| D. | 499 |
| Answer» E. | |
| 6. |
Relative magnetic permeability is unit less. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Pick out the unit of magnetic permeability. |
| A. | TmA |
| B. | \(\frac {Tm}{A}\) |
| C. | \(\frac {T}{mA}\) |
| D. | \(\frac {Am}{T}\) |
| Answer» C. \(\frac {T}{mA}\) | |
| 8. |
Which among the following is true about magnetic susceptibility? |
| A. | It is the ratio of magnetic intensity to intensity of magnetization |
| B. | The SI unit of magnetic susceptibility is Tesla (T) |
| C. | It is the ratio of intensity of magnetization to magnetic intensity |
| D. | It is the ratio of magnetic moment to volume |
| Answer» D. It is the ratio of magnetic moment to volume | |
| 9. |
Identify the expression for magnetic induction from the following. |
| A. | B = μo(H+I) |
| B. | B = μo(H×I) |
| C. | B = μo(H-I) |
| D. | B = μo(\(\frac {H}{I}\)) |
| Answer» B. B = μo(H×I) | |