MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Two unit positive charges are kept at coordinates (0, 0) and (10, 0). What will be the variation of the electric field with respect to the distance between them? |
| A. | a) |
| Answer» E. | |
| 2. |
At ‘Electrical Neutral Point’ the lines of force _______ |
| A. | Are absent |
| B. | Coincide with each other |
| C. | Always converge |
| D. | Always diverge |
| Answer» B. Coincide with each other | |
| 3. |
It is observed that N number of field lines come out perpendicularly from the unit surface area of the sphere. What is the amount of charge inside the sphere? ∈ is the dielectric constant of the medium. |
| A. | -4πR2 N∈ |
| B. | 4πR2 N∈ |
| C. | \(\frac {4\pi R^2}{N\epsilon}\) |
| D. | –\(\frac {4\pi R^2N}{\epsilon}\) |
| Answer» C. \(\frac {4\pi R^2}{N\epsilon}\) | |
| 4. |
Field lines due to a positive point charge are _______ |
| A. | a) |
| Answer» E. | |