MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
Gauss law for magnetic fields is given by |
| A. | Div(E) = 0 |
| B. | Div(B) = 0 |
| C. | Div(H) = 0 |
| D. | Div(D) = 0 |
| Answer» C. Div(H) = 0 | |
| 2. |
Find the potential due to a charged ring of density 2 units with radius 2m and the point at which potential is measured is at a distance of 1m from the ring. |
| A. | 18π |
| B. | 24π |
| C. | 36π |
| D. | 72π |
| Answer» E. | |
| 3. |
The potential of a coaxial cylinder with charge density 1 unit , inner radius 1m and outer cylinder 2m is (in 109) |
| A. | 12.74 |
| B. | 13.47 |
| C. | 12.47 |
| D. | 13.74 |
| Answer» D. 13.74 | |
| 4. |
The work done by a charge of 10μC with a potential 4.386 is (in μJ) |
| A. | 32.86 |
| B. | 43.86 |
| C. | 54.68 |
| D. | 65.68 |
| Answer» C. 54.68 | |
| 5. |
The total charge of a surface with densities 1,2,…,10 is |
| A. | 11 |
| B. | 33 |
| C. | 55 |
| D. | 77 |
| Answer» D. 77 | |
| 6. |
A circular disc of radius 5m with a surface charge density ρs = 10sinφ is enclosed by surface. What is the net flux crossing the surface? |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 0 |
| Answer» E. | |
| 7. |
GAUSS_LAW_CANNOT_BE_USED_TO_FIND_WHICH_OF_THE_FOLLOWING_QUANTITY??$ |
| A. | Electric field intensity |
| B. | Electric flux density |
| C. | Charge |
| D. | Permittivity |
| Answer» E. | |
| 8. |
Gauss_law_for_magnetic_fields_is_given_by$ |
| A. | Div(E) = 0 |
| B. | Div(B) = 0 |
| C. | Div(H) = 0 |
| D. | Div(D) = 0 |
| Answer» C. Div(H) = 0 | |
| 9. |
Find the potential due to a charged ring of density 2 units with radius 2m and the point at which potential is measured is at a distance of 1m from the ring? |
| A. | 18π |
| B. | 24π |
| C. | 36π |
| D. | 72π |
| Answer» E. | |
| 10. |
The potential of a coaxial cylinder with charge density 1 unit , inner radius 1m and outer cylinder 2m is (in 109) |
| A. | 12.74 |
| B. | 13.47 |
| C. | 12.47 |
| D. | 13.74 |
| Answer» D. 13.74 | |
| 11. |
The work done by a charge of 10μC with a potential 4.386 is (in μJ)$ |
| A. | 32.86 |
| B. | 43.86 |
| C. | 54.68 |
| D. | 65.68 |
| Answer» C. 54.68 | |
| 12. |
The total charge of a surface with densities 1,2,…,10 is$ |
| A. | 11 |
| B. | 33 |
| C. | 55 |
| D. | 77 |
| Answer» D. 77 | |
| 13. |
A circular disc of radius 5m with a surface charge density ρs = 10sinφ is enclosed by surface. What is the net flux crossing the surface?$ |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 0 |
| Answer» E. | |
| 14. |
The Gaussian surface for a line charge will be |
| A. | Sphere |
| B. | Cylinder |
| C. | Cube |
| D. | Cuboid |
| Answer» C. Cube | |
| 15. |
Divergence theorem is based on |
| A. | Gauss law |
| B. | Stoke’s law |
| C. | Ampere law |
| D. | Lenz law |
| Answer» B. Stoke‚Äö√Ñ√∂‚àö√ë‚àö¬•s law | |