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Two identical conducting balls A and B have positive charges q1 and q2 respectively but q1  q2. The balls are brought together so that they touch each other and then kept in their original positions. The force between them is  
  • a)
    less than that before the balls touched
  • b)
    greater than that before the balls touched
  • c)
    same as that before the balls touched
  • d)
    zero
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Two identical conducting balls A and B have positive charges q1 and q2...
Force between them before they came in contact is F= K q1.q2/r^2
when they touch each other they share equal charge, let the equal charge be q`.
then q`=q1+q2/2
then the new force F`=Kmm/r^2
when we solve F` it comes out to be greater then F.

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Two identical conducting balls A and B have positive charges q1 and q2 respectively but q1 q2. The balls are brought together so that they touch each other and then kept in their original positions. The force between them is a)less than that before the balls touchedb)greater than that before the balls touchedc)same as that before the balls touchedd)zeroCorrect answer is option 'B'. Can you explain this answer?
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Two identical conducting balls A and B have positive charges q1 and q2 respectively but q1 q2. The balls are brought together so that they touch each other and then kept in their original positions. The force between them is a)less than that before the balls touchedb)greater than that before the balls touchedc)same as that before the balls touchedd)zeroCorrect answer is option 'B'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Two identical conducting balls A and B have positive charges q1 and q2 respectively but q1 q2. The balls are brought together so that they touch each other and then kept in their original positions. The force between them is a)less than that before the balls touchedb)greater than that before the balls touchedc)same as that before the balls touchedd)zeroCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two identical conducting balls A and B have positive charges q1 and q2 respectively but q1 q2. The balls are brought together so that they touch each other and then kept in their original positions. The force between them is a)less than that before the balls touchedb)greater than that before the balls touchedc)same as that before the balls touchedd)zeroCorrect answer is option 'B'. Can you explain this answer?.
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