MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 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. |
WHEN_THE_MAXWELL_EQUATION_IS_EXPRESSED_IN_FREQUENCY_DOMAIN,_THEN_WHICH_SUBSTITUTION_IS_POSSIBLE??$ |
| A. | d/dt = w/j |
| B. | d/dt = j/w |
| C. | d/dt = jw |
| D. | Expression in frequency domain is not possible |
| Answer» D. Expression in frequency domain is not possible | |
| 2. |
Calculate the emf of a material having flux density 5sin t in an area of 0.5 units.$ |
| A. | 2.5 sin t |
| B. | -2.5 cos t |
| C. | -5 sin t |
| D. | 5 cos t |
| Answer» E. | |
| 3. |
Calculate_the_emf_of_a_material_having_a_flux_linkage_of_2t2_at_time_t_=_1second.$ |
| A. | 2 |
| B. | 4 |
| C. | 8 |
| D. | 16 |
| Answer» C. 8 | |
| 4. |
To_find_D_from_B,_sequence_followed_will_be |
| A. | B-E-D |
| B. | B-H-D |
| C. | E-H-D |
| D. | E-B-D |
| Answer» B. B-H-D | |
| 5. |
Which of the following relations holds good? |
| A. | Bq = ILE |
| B. | E = ILBq |
| C. | Eq = ILB |
| D. | B = ILEq |
| Answer» D. B = ILEq | |
| 6. |
Find the electric field applied on a system with electrons having a velocity 5m/s subjected to a magnetic flux of 3.6 units. |
| A. | 15 |
| B. | 18 |
| C. | 1.38 |
| D. | 0.72 |
| Answer» C. 1.38 | |
| 7. |
Find the Maxwell first law value for the electric field intensity is given by A sin wt az |
| A. | 0 |
| B. | 1 |
| C. | -1 |
| D. | A |
| Answer» B. 1 | |
| 8. |
Which of the following identities is always zero for static fields? |
| A. | Grad(Curl V) |
| B. | Curl(Div V) |
| C. | Div(Grad V) |
| D. | Curl(Grad V) |
| Answer» E. | |
| 9. |
The curl of the electric field intensity is |
| A. | Conservative |
| B. | Rotational |
| C. | Divergent |
| D. | Static |
| Answer» C. Divergent | |
| 10. |
The correct sequence to find H, when D is given is |
| A. | D-E-B-H |
| B. | D-B-E-H |
| C. | It cannot be computed from the data given |
| D. | D-H |
| Answer» B. D-B-E-H | |
| 11. |
The benefit of Maxwell equation is that |
| A. | Any parameter can be calculated |
| B. | Antenna can be designed |
| C. | Polarisation of the wave can be calculated |
| D. | Transmission line constants can be found |
| Answer» B. Antenna can be designed | |
| 12. |
The first Maxwell law is based on which law? |
| A. | Ampere law |
| B. | Faraday law |
| C. | Lenz law |
| D. | Faraday and Lenz law |
| Answer» E. | |