MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An electric field (3 hat{j} + 4 hat{k} ) N/C is present at a place. What will be the electric flux passing through a square plate if the plate is placed in the y-z plane? |
| A. | 7 Nm<sup>2</sup>C<sup>-1</sup> |
| B. | 25 Nm<sup>2</sup>C<sup>-1</sup> |
| C. | Zero |
| D. | 17 Nm<sup>2</sup>C<sup>-1</sup> |
| Answer» D. 17 Nm<sup>2</sup>C<sup>-1</sup> | |
| 2. |
A non-conducting sphere has uniform charge density in it. The electric field at a point inside the sphere will be _______ |
| A. | Zero |
| B. | Only due to the charge inside that point |
| C. | Only due to the charge outside that point |
| D. | Due to the entire charge of the sphere |
| Answer» C. Only due to the charge outside that point | |
| 3. |
In the CGS system, ( frac {1}{ varepsilon_o} ) is replaced by _______ if k is the dielectric constant of the medium. |
| A. | ( frac {4 pi}{k} ) |
| B. | ( frac {2 pi}{k} ) |
| C. | ( frac {1}{k} ) |
| D. | 1 |
| Answer» B. ( frac {2 pi}{k} ) | |
| 4. |
Gauss s Law is applicable only in the case of the electric field. This statement is __________ |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
An electric field E is present perpendicular to a square plate of side length L. What is the flux passing through the plate? |
| A. | LE |
| B. | L<sup>2</sup>E |
| C. | ( frac {L^2}{E} ) |
| D. | Zero |
| Answer» C. ( frac {L^2}{E} ) | |
| 6. |
8 electric dipoles having charges e are placed at the center of a cube. The net flux coming out of the cube surface is _________ |
| A. | Zero |
| B. | ( frac {e}{ varepsilon_o} ) |
| C. | ( frac {8e}{ varepsilon_o} ) |
| D. | ( frac {16e}{ varepsilon_o} ) |
| Answer» B. ( frac {e}{ varepsilon_o} ) | |
| 7. |
An electric charge q is placed at one of the corner points of a cube of side a. What will be the net outwards flux coming out of the cube due to the point charge? |
| A. | ( frac {q}{ varepsilon_o} ) |
| B. | ( frac {q}{2 varepsilon_o} ) |
| C. | ( frac {q}{4 varepsilon_o} ) |
| D. | ( frac {q}{8 varepsilon_o} ) |
| Answer» E. | |
| 8. |
What is the number of electric field lines coming out from a 1C charge? |
| A. | 9*10<sup>9</sup> |
| B. | 8.85*10<sup>-12</sup> |
| C. | ( frac {1}{8.85} )*10<sup>-12</sup> |
| D. | Infinite |
| Answer» D. Infinite | |