MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Gauss’s Law cannot be applied in a medium that has relative permittivity greater than 1. This statement is ________ |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Net inward and outward flux of a closed surface are ∅1 and ∅2. What is the charge enclosed inside the surface? |
| A. | Zero |
| B. | -(∅1-∅2)εo |
| C. | (∅1-∅2)εo |
| D. | \(\frac {(\phi_1 + \phi_2)}{\varepsilon_o}\) |
| Answer» C. (∅1-∅2)εo | |
| 3. |
A non-conducting cube of side length 1m has a spherical cavity of radius 0.1m inside it. The system has a charge density of 2.5 C/m3. What is the total flux coming out of the surface of the cube? |
| A. | 2.8*1031 Nm2C-1 |
| B. | 2.8*1011 Nm2C-1 |
| C. | 5.7*1011 Nm2C-1 |
| D. | 0.2*1011 Nm2C-1 |
| Answer» C. 5.7*1011 Nm2C-1 | |
| 4. |
If a 10C charge is placed in a medium having relative permittivity 5.4, what will be the amount of flux coming out of that charge? |
| A. | 1*1011 Nm2C-1 |
| B. | 2.1*1011 Nm2C-1 |
| C. | 2.1*1010 Nm2C-1 |
| D. | 7.1*1011 Nm2C-1 |
| Answer» C. 2.1*1010 Nm2C-1 | |
| 5. |
Gauss’s Law cannot be applied in ________ |
| A. | Hollow sphere |
| B. | Solid sphere |
| C. | Cube |
| D. | Unbounded surface |
| Answer» E. | |
| 6. |
Electric flux coming out of a single Na+ ion is _________ Nm2C-1 |
| A. | 1.8*10-8 |
| B. | 1.8*10-10 |
| C. | 5.4*10-8 |
| D. | 3.6*10-8 |
| Answer» B. 1.8*10-10 | |