MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the dimension of electrostatic potential energy from the following. |
| A. | ML<sup>2</sup>T<sup>-3</sup>A<sup>-2</sup> |
| B. | ML<sup>3</sup>T<sup>-2</sup>A<sup>-1</sup> |
| C. | M<sup>-1</sup>L<sup>2</sup>T<sup>-3</sup>A |
| D. | ML<sup>2</sup>T<sup>-3</sup>A<sup>-1</sup> |
| Answer» E. | |
| 2. |
Electrostatic potential energy can be negative. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
There are two charges Q1 = +q and charge Q2 = +2q. From the initial point (Q), Q1 is at a distance of r and Q2 is at a distance 2r. Which charge (Q1 or Q2) will have higher electrostatic potential energy? |
| A. | Q1 |
| B. | Both will have the same energy |
| C. | Q2 |
| D. | The information given is not enough to determine |
| Answer» C. Q2 | |
| 4. |
Two isolated metallic spheres, one with a radius R and another with a radius 5R, each carries a charge q uniformly distributed over the entire surface. Which sphere stores more electric potential energy? |
| A. | The sphere with radius 5R |
| B. | Both of the spheres will have the same energy |
| C. | The sphere with radius R |
| D. | Initially it will be the sphere with radius 5R then it will shift to the sphere with radius R |
| Answer» D. Initially it will be the sphere with radius 5R then it will shift to the sphere with radius R | |
| 5. |
Pick out the expression of electric potential energy from the following. |
| A. | U = ( frac {1}{(4 pi varepsilon_o)} times [ frac {q_1q_2}{r} ] ) |
| B. | U = 1 (4 <sub>o</sub>) [ ( frac {q_1q_2}{r} ) ] |
| C. | U = ( frac {1}{(4 pi varepsilon_o)} times [ frac {q_1}{q_2}{r} ] ) |
| D. | U = ( frac {1}{(4 pi varepsilon_o)} ) [q<sub>1</sub>q<sub>2</sub>] |
| Answer» B. U = 1 (4 <sub>o</sub>) [ ( frac {q_1q_2}{r} ) ] | |