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Charges +q and –q are placed at points A and B respectively which are a distance 2L apart, C is the mid-point between A and B. The work done in moving a charge + Q along the semicircle CRD is

Physics-General

  1. fraction numerator q calligraphic Q over denominator 4 pi epsilon subscript 0 L end fraction
  2. fraction numerator q Q over denominator 2 pi epsilon subscript 0 L end fraction
  3. fraction numerator q calligraphic Q over denominator 6 pi epsilon subscript 0 L end fraction
  4. negative fraction numerator q Q over denominator 6 pi epsilon subscript 0 L end fraction

    Answer:The correct answer is: negative fraction numerator q Q over denominator 6 pi epsilon subscript 0 L end fraction

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