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Q. No.A proton is kept at rest. A positively charged particle is released from rest at a distance d in its field. Consider two experiments; one in which the charged particle is also a proton and in another, a positron. At the same time t, the work done on the two moving charged particles is:
| 1. | same as the same force law is involved in the two experiments. |
| 2. | less for the case of a positron, as the positron moves away more rapidly and the force on it weakens. |
| 3. | more for the case of a positron, as the positron moves away a larger distance. |
| 4. | same as the work done by charged particles on the stationary proton |
Subtopic: Â Electric Potential Energy |
Level 3: 35%-60%
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