MCQOPTIONS
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MCQOPTIONS
This section includes 14 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 force experienced by an electromagnetic wave in a conductor? |
| A. | Electrostatic force |
| B. | Magneto static force |
| C. | Electro motive force |
| D. | Lorentz force |
| Answer» E. | |
| 2. |
Find the magnetic field when the magnetic vector potential is a unit vector. |
| A. | 1 |
| B. | -1 |
| C. | 0 |
| D. | 2 |
| Answer» D. 2 | |
| 3. |
Choose the best relation.a) A = -Div(V)b) V = Curl( |
| A. | A = -Div(V) |
| B. | V = Curl(A) |
| C. | H = -Grad(V) |
| D. | V = Div(E) |
| Answer» D. V = Div(E) | |
| 4. |
Find the energy of a coil of inductance 18mH and current passing through it 1.25A.(in 10-3 order) |
| A. | 14.06 |
| B. | 61 |
| C. | 46.1 |
| D. | 28.12 |
| Answer» B. 61 | |
| 5. |
FIND_THE_MAGNETIC_FIELD_WHEN_THE_MAGNETIC_VECTOR_POTENTIAL_IS_A_UNIT_VECTOR.?$ |
| A. | 1 |
| B. | -1 |
| C. | 0 |
| D. | 2 |
| Answer» D. 2 | |
| 6. |
Find_the_force_experienced_by_an_electromagnetic_wave_in_a_conductor?$ |
| A. | Electrostatic force |
| B. | Magneto static force |
| C. | Electro motive force |
| D. | Lorentz force |
| Answer» E. | |
| 7. |
Choose the best relation? |
| A. | A = -Div(V) |
| B. | V = Curl(A) |
| C. | H = -Grad(V) |
| D. | V = Div(E) |
| Answer» D. V = Div(E) | |
| 8. |
The permeability and permittivity of air or free space is unity. State true/false. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Which of the following relation will hold good? |
| A. | D = μ H |
| B. | B = ε E |
| C. | E = ε D |
| D. | B = μ H |
| Answer» E. | |
| 10. |
Using Maxwell equation which of the following cannot be calculated directly? |
| A. | B |
| B. | D |
| C. | A |
| D. | H |
| Answer» D. H | |
| 11. |
Find the energy of a coil of inductance 18mH and current passing through it 1.25A.(in 10-3 order) |
| A. | 14.06 |
| B. | 61 |
| C. | 46.1 |
| D. | 28.12 |
| Answer» B. 61 | |
| 12. |
Find the total flux in a coil of magnetic flux density 12 units and area 7 units. |
| A. | 0.84 |
| B. | 0.96 |
| C. | 8.4 |
| D. | 9.6 |
| Answer» B. 0.96 | |
| 13. |
The inductance is the measure of |
| A. | Electric charges stored by the material |
| B. | Emf generated by energising the coil |
| C. | Magnetic field stored by the material |
| D. | Magnetization of dipoles |
| Answer» C. Magnetic field stored by the material | |
| 14. |
The magnetostatics highly relies on which property? |
| A. | Resistance |
| B. | Capacitance |
| C. | Inductance |
| D. | Moment |
| Answer» D. Moment | |