MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the charge in a conductor is 16C and the area of cross section is 4m2. Calculate the electric flux density. |
| A. | 64C/m2 |
| B. | 16C/m2 |
| C. | 4C/m2 |
| D. | 2C/m2 |
| Answer» D. 2C/m2 | |
| 2. |
What is the electric flux density in free space if the electric field intensity is 1V/m? |
| A. | 7.76*10-12C/m2 |
| B. | 8.85*10-12C /m2 |
| C. | 1.23*10-12C /m2 |
| D. | 3.43*10-12C /m2 |
| Answer» C. 1.23*10-12C /m2 | |
| 3. |
“Total electric flux through any closed surface is equal to the charge enclosed by that surface divided by permittivity”. This is the statement for? |
| A. | Gauss law |
| B. | Lenz law |
| C. | Coloumb’s law |
| D. | Faraday’s law |
| Answer» B. Lenz law | |
| 4. |
WHAT_IS_THE_ELECTRIC_FLUX_DENSITY_IN_FREE_SPACE_IF_THE_ELECTRIC_FIELD_INTENSITY_IS_1V/M??$ |
| A. | 7.76*10<sup>-12</sup>C/m<sup>2</sup> |
| B. | 8.85*10<sup>-12</sup>C /m<sup>2</sup> |
| C. | 1.23*10<sup>-12</sup>C /m<sup>2</sup> |
| D. | 3.43*10<sup>-12</sup>C /m<sup>2</sup> |
| Answer» C. 1.23*10<sup>-12</sup>C /m<sup>2</sup> | |
| 5. |
If the charge in a conductor is 16C and the area of cross section is 4m2. Calculate the electric flux density.$ |
| A. | 64C/m<sup>2</sup> |
| B. | 16C/m<sup>2</sup> |
| C. | 4C/m<sup>2</sup> |
| D. | 2C/m<sup>2</sup> |
| Answer» D. 2C/m<sup>2</sup> | |
| 6. |
The force applied to a conductor is 10N if the charge in the conductor is 5C, what is the electric field intensity? |
| A. | 10V/m |
| B. | 2V/m |
| C. | 3V/m |
| D. | 15V/m |
| Answer» C. 3V/m | |
| 7. |
Strength of the electric field is ___________ |
| A. | Directly proportional to the force applied |
| B. | Inversely proportional to the force applied |
| C. | Directly proportional to the square of the force applied |
| D. | Inversely proportional to the square of the force applied |
| Answer» B. Inversely proportional to the force applied | |
| 8. |
Which, among the following, is the correct expression for electric flux density? |
| A. | D=epsilon*E |
| B. | D=epsilon/E |
| C. | D<sup>2</sup>=epsilon*E |
| D. | D=epsilon*E<sup>2</sup> |
| Answer» B. D=epsilon/E | |
| 9. |
As area increases, what happens to electric flux density? |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | Becomes zero |
| Answer» C. Remains constant | |
| 10. |
As charge increases, what happens to flux density? |
| A. | Increases |
| B. | Decreases |
| C. | Remains constant |
| D. | Becomes zero |
| Answer» B. Decreases | |
| 11. |
Electric flux density is a function of_______ |
| A. | Volume |
| B. | Charge |
| C. | Current |
| D. | Voltage |
| Answer» C. Current | |
| 12. |
“Total electric flux through any closed surface is equal to the charge enclosed by that surface”. This is the statement for?$ |
| A. | Gauss law |
| B. | Lenz law |
| C. | Coloumb’s law |
| D. | Faraday’s law |
| Answer» B. Lenz law | |
| 13. |
Gauss law is applicable for_________ |
| A. | Point charge |
| B. | Sheet charge |
| C. | Line charge |
| D. | Point, sheet and line charge |
| Answer» E. | |