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An isolated charge q1 of mass m is suspended freely by a thread of length l. Another charge q2 is brought near it (r>> l). W hen q1 is in equilibrium, tension in thread will be
  • a)
    mg
  • b)
    >mg
  • c)
    <mg
  • d)
    none of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
An isolated charge q1 of mass m is suspended freely by a thread of len...
Initial tension : T1 = mg
Final tension : T2 cos θ = mg


Obviously, T2 > mg.
Here we have assumed θ to be small so that F is almost horizontal.
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An isolated charge q1 of mass m is suspended freely by a thread of length l. Another charge q2 is brought near it (r>> l). W hen q1 is in equilibrium, tension in thread will bea)mgb)>mgc)<mgd)none of theseCorrect answer is option 'B'. Can you explain this answer?
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An isolated charge q1 of mass m is suspended freely by a thread of length l. Another charge q2 is brought near it (r>> l). W hen q1 is in equilibrium, tension in thread will bea)mgb)>mgc)<mgd)none of theseCorrect 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 An isolated charge q1 of mass m is suspended freely by a thread of length l. Another charge q2 is brought near it (r>> l). W hen q1 is in equilibrium, tension in thread will bea)mgb)>mgc)<mgd)none of theseCorrect 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 An isolated charge q1 of mass m is suspended freely by a thread of length l. Another charge q2 is brought near it (r>> l). W hen q1 is in equilibrium, tension in thread will bea)mgb)>mgc)<mgd)none of theseCorrect answer is option 'B'. Can you explain this answer?.
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