MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 13 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. |
Find the magnetic field intensity when the current density is 0.5 units for an area up to 20 units. |
| A. | 10 |
| B. | 5 |
| C. | 20 |
| D. | 40 |
| Answer» B. 5 | |
| 2. |
When the rotational path of the magnetic field intensity is zero, then the current in the path will be |
| A. | 1 |
| B. | 0 |
| C. | ∞ |
| D. | 0.5 |
| Answer» C. ∞ | |
| 3. |
Find the magnetic field intensity due to an infinite sheet of current 5A and charge density of 12j units in the positive y direction and the z component is below the sheet. |
| A. | 6 |
| B. | 0 |
| C. | -6 |
| D. | 60k |
| Answer» D. 60k | |
| 4. |
Find the magnetic flux density of a finite length conductor of radius 12cm and current 3A in air( in 10-6 order) |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 5. |
FIND_THE_MAGNETIC_FIELD_INTENSITY_WHEN_THE_CURRENT_DENSITY_IS_0.5_UNITS_FOR_AN_AREA_UP_TO_20_UNITS.?$ |
| A. | 10 |
| B. | 5 |
| C. | 20 |
| D. | 40 |
| Answer» B. 5 | |
| 6. |
When the rotational path of the magnetic field intensity is zero, then the current in the path will b? |
| A. | 1 |
| B. | 0 |
| C. | ‚àû |
| D. | 0.5 |
| Answer» C. ‚Äö√Ñ√∂‚àö‚Ć‚àö¬™ | |
| 7. |
Find the current density on the conductor surface when a magnetic field H = 3cos x i + zcos x j A/m, for z>0 and zero, otherwise is applied to a perfectly conducting surface in xy plane. |
| A. | cos x i |
| B. | –cos x i |
| C. | cos x j |
| D. | –cos x j |
| Answer» C. cos x j | |
| 8. |
Find the magnetic field intensity due to an infinite sheet of current 5A and charge density of 12j units in the positive y direction and the z component is above the sheet. |
| A. | -6 |
| B. | 12k |
| C. | 60 |
| D. | 6 |
| Answer» E. | |
| 9. |
Calculate the magnetic field intensity due to a toroid of turns 50, current 2A and radius 159mm. |
| A. | 50 |
| B. | 75 |
| C. | 100 |
| D. | 200 |
| Answer» D. 200 | |
| 10. |
Find the magnetic flux density of a finite length conductor of radius 12cm and current 3A in air( in 10-6 order) |
| A. | 4 |
| B. | 5 |
| C. | 6 |
| D. | 7 |
| Answer» C. 6 | |
| 11. |
Electric field will be maximum outside the conductor and magnetic field will be maximum inside the conductor. State True/False. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
The Ampere law is based on which theorem? |
| A. | Green’s theorem |
| B. | Gauss divergence theorem |
| C. | Stoke’s theorem |
| D. | Maxwell theorem |
| Answer» D. Maxwell theorem | |
| 13. |
The point form of Ampere law is given by |
| A. | Curl(B) = I |
| B. | Curl(D) = J |
| C. | Curl(V) = I |
| D. | Curl(H) = J |
| Answer» E. | |