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. |
When a material has zero permittivity, the maximum potential that it can possess is |
| A. | ∞ |
| B. | -∞ |
| C. | Unity |
| D. | Zero |
| Answer» E. | |
| 2. |
Find the charge density from the function of flux density given by 12x – 7z. |
| A. | 19 |
| B. | -5 |
| C. | 5 |
| D. | -19 |
| Answer» D. -19 | |
| 3. |
Calculate the charge density when a potential function x2 + y2 + z2 is in air(in 10-9 order) |
| A. | 1/6π |
| B. | 6/2π |
| C. | 12/6π |
| D. | 10/8π |
| Answer» B. 6/2π | |
| 4. |
The given equation satisfies the Laplace equation.V = x2 + y2 – z2. State True/False. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
FIND_THE_ELECTRIC_FIELD_OF_A_POTENTIAL_FUNCTION_GIVEN_BY_20_LOG_X_+_Y_AT_THE_POINT_(1,1,0).?$ |
| A. | -20 i – j |
| B. | -i -20 j |
| C. | i + j |
| D. | (i + j)/20 |
| Answer» B. -i -20 j | |
| 6. |
When_a_material_has_zero_permittivity,_the_maximum_potential_that_it_can_possess_is$ |
| A. | ‚àû |
| B. | -‚àû |
| C. | Unity |
| D. | Zero |
| Answer» E. | |
| 7. |
Find the charge density from the function of flux density given by 12x – 7z?# |
| A. | 19 |
| B. | -5 |
| C. | 5 |
| D. | -19 |
| Answer» D. -19 | |
| 8. |
Poisson equation can be derived from which of the following equations? |
| A. | Point form of Gauss law |
| B. | Integral form of Gauss law |
| C. | Point form of Ampere law |
| D. | Integral form of Ampere law |
| Answer» B. Integral form of Gauss law | |
| 9. |
The function V = exsin y + z does not satisfy Laplace equation. State True/False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
Calculate the charge density when a potential function x2 + y2 + z2 is in air(in 10-9 order) |
| A. | 1/6π |
| B. | 6/2π |
| C. | 12/6π |
| D. | 10/8π |
| Answer» B. 6/2‚âà√¨‚àö√ë | |
| 11. |
Suppose the potential function is a step function. The equation that gets satisfied is |
| A. | Laplace equation |
| B. | Poisson equation |
| C. | Maxwell equation |
| D. | Ampere equation |
| Answer» B. Poisson equation | |
| 12. |
If Laplace equation satisfies, then which of the following statements will be true? |
| A. | Potential will be zero |
| B. | Current will be infinite |
| C. | Resistance will be infinite |
| D. | Voltage will be same |
| Answer» C. Resistance will be infinite | |
| 13. |
In free space, the Poisson equation becomes |
| A. | Maxwell equation |
| B. | Ampere equation |
| C. | Laplace equation |
| D. | Steady state equation |
| Answer» D. Steady state equation | |
| 14. |
The given equation satisfies the Laplace equation. |
| A. | |
| B. | True |
| Answer» B. True | |