MCQOPTIONS
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MCQOPTIONS
This section includes 16 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. |
The relation between flux density and vector potential isa) B = Curl(A)b) A = Curl(B)c) B = Div( |
| A. | B = Curl(A) |
| B. | A = Curl(B) |
| C. | B = Div(A) |
| D. | A = Div(B) |
| Answer» B. A = Curl(B) | |
| 2. |
The current element of the magnetic vector potential for a surface current will be |
| A. | J dS |
| B. | I dL |
| C. | K dS |
| D. | J dV |
| Answer» D. J dV | |
| 3. |
The magnetic vector potential for a line current will be inversely proportional to |
| A. | dL |
| B. | I |
| C. | J |
| D. | R |
| Answer» E. | |
| 4. |
Find the vector potential when the field intensity 60x2 varies from (0,0,0) to (1,0,0). |
| A. | 120 |
| B. | -20 |
| C. | -180 |
| D. | 60 |
| Answer» C. -180 | |
| 5. |
Given the vector potential is 16 – 12sin y j. Find the field intensity at the origin. |
| A. | 28 |
| B. | 16 |
| C. | 12 |
| D. | 4 |
| Answer» D. 4 | |
| 6. |
The value of ∫ H.dL will be |
| A. | J |
| B. | I |
| C. | B |
| D. | H |
| Answer» C. B | |
| 7. |
THE_CURRENT_ELEMENT_OF_THE_MAGNETIC_VECTOR_POTENTIAL_FOR_A_SURFACE_CURRENT_WILL_BE?$ |
| A. | J dS |
| B. | I dL |
| C. | K dS |
| D. | J dV |
| Answer» D. J dV | |
| 8. |
The_relation_between_flux_density_and_vector_potential_is$ |
| A. | B = Curl(A) |
| B. | A = Curl(B) |
| C. | B = Div(A) |
| D. | A = Div(B) |
| Answer» B. A = Curl(B) | |
| 9. |
The magnetic vector potential for a line current will be inversely proportional t? |
| A. | dL |
| B. | I |
| C. | J |
| D. | R |
| Answer» E. | |
| 10. |
The Laplacian of the magnetic vector potential will be |
| A. | –μ J |
| B. | – μ I |
| C. | –μ B |
| D. | –μ H |
| Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö¬® ‚âà√≠¬¨‚à´ I | |
| 11. |
Find the flux density B when the potential is given by x i + y j + z k in air. |
| A. | 12π x 10<sup>-7</sup> |
| B. | -12π x 10<sup>-7</sup> |
| C. | 6π x 10<sup>-7</sup> |
| D. | -6π x 10<sup>-7</sup> |
| Answer» C. 6‚âà√¨‚àö√ë x 10<sup>-7</sup> | |
| 12. |
Find the vector potential when the field intensity 60x2 varies from (0,0,0) to (1,0,0). |
| A. | 120 |
| B. | -20 |
| C. | -180 |
| D. | 60 |
| Answer» C. -180 | |
| 13. |
Given the vector potential is 16 – 12sin y j. Find the field intensity at the origin.$ |
| A. | 28 |
| B. | 16 |
| C. | 12 |
| D. | 4 |
| Answer» D. 4 | |
| 14. |
The value of ‚à´ H.dL will be$ |
| A. | J |
| B. | I |
| C. | B |
| D. | H |
| Answer» C. B | |
| 15. |
Find the magnetic field intensity when the magnetic vector potential x i + 2y j + 3z k. |
| A. | 6 |
| B. | -6 |
| C. | 0 |
| D. | 1 |
| Answer» C. 0 | |
| 16. |
The magnetic vector potential is a scalar quantity. |
| A. | True |
| B. | False |
| Answer» C. | |