MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Flux coming out from a balloon of radius 10 cm is 1.0*103 N.m2.C-1-1. If the radius of the balloon is doubled, the flux coming out from the balloon will be _______ |
| A. | 0.5 times |
| B. | 2 times |
| C. | Same |
| D. | 4 times |
| Answer» D. 4 times | |
| 2. |
Which of the following law explains the relation between the charge inside a surface and electric flux? |
| A. | Gauss s Law |
| B. | Coulomb s Law |
| C. | Faraday s Law |
| D. | Pascal s Law |
| Answer» B. Coulomb s Law | |
| 3. |
Two separate charges q and 10q are placed inside two different spheres. In which case, the electric flux will be greater? |
| A. | Flux will be same in both the cases |
| B. | 1<sup>st</sup> sphere |
| C. | 2<sup>nd</sup> sphere |
| D. | No flux in any of the spheres |
| Answer» D. No flux in any of the spheres | |
| 4. |
If a charge is placed outside a closed surface, flux due to that charge inside the surface will be ________ |
| A. | Positive |
| B. | May be positive or negative, depending on the nature of the charge |
| C. | Negative |
| D. | Zero |
| Answer» E. | |
| 5. |
Flux linked to a surface is said to be positive if the flux lines are coming out of the surface. The statement is ______ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Electric flux will be maximum if the angle between the field lines and area vector is ______ |
| A. | 45 degree |
| B. | 135 degree |
| C. | 90 degree |
| D. | 0 degree |
| Answer» E. | |
| 7. |
Which one is the correct expression of electric flux? |
| A. | ( vec{E}.d vec{s} ) |
| B. | ( vec{E^2}.d vec{s} ) |
| C. | ( vec{E}^{-1}.d vec{s} ) |
| D. | ( vec{E}.d vec{l} ) |
| Answer» B. ( vec{E^2}.d vec{s} ) | |
| 8. |
What is the unit of electric flux? |
| A. | V/m |
| B. | N/m |
| C. | V*m |
| D. | N/Coulomb |
| Answer» D. N/Coulomb | |
| 9. |
What is the dimension of electric flux? |
| A. | [M L<sup>3</sup> T<sup>-3</sup> I<sup>-1</sup>] |
| B. | [M L<sup>2</sup> T<sup>-3</sup> I<sup>-1</sup>] |
| C. | [M L<sup>3</sup> T<sup>-3</sup> I<sup>1</sup>] |
| D. | [M L<sup>3</sup> T<sup>3</sup> I<sup>-1</sup>] |
| Answer» B. [M L<sup>2</sup> T<sup>-3</sup> I<sup>-1</sup>] | |