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A and B are two identical spherical charged bodies which repel each other with force F, kept at a finite distance. A third uncharged sphere of the same size is brought in contact with sphere B and removed. It is then kept at mid-point of A and B. Find the magnitude of force on C.
  • a)
    F/2
  • b)
    F/8
  • c)
    F
  • d)
    Zero
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A and B are two identical spherical charged bodies which repel each ot...
From Coulomb's law, the force of attraction between two charged particles (q), kept at distance r apart is


When two identical spheres are brought in contact, charge on them is equalised, hence total charge on C is equaly shared when brough in contact with spehere B having a charge q.

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Most Upvoted Answer
A and B are two identical spherical charged bodies which repel each ot...
Explanation:

Initial Situation:
- A and B are identical charged bodies repelling each other with force F.

Introduction of Sphere C:
- Sphere C is an uncharged sphere brought in contact with B and then placed at the midpoint of A and B.
- Since C is uncharged, it will not experience any force due to A or B directly.

Force on Sphere C:
- The forces due to A and B on C will cancel each other out since they are equidistant and have equal magnitude.
- The net force on C will be zero.
Therefore, the magnitude of force on C is zero (option 'd').
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A and B are two identical spherical charged bodies which repel each other with force F, kept at a finite distance. A third uncharged sphere of the same size is brought in contact with sphere B and removed. It is then kept at mid-point of A and B. Find the magnitude of force on C.a)F/2b)F/8c)Fd)ZeroCorrect answer is option 'C'. Can you explain this answer?
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