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Question

A neutral conducting spherical shell is kept near a charge q as shown. The potential at point P due to the induced charges is open parentheses K equals fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction close parentheses

  1. fraction numerator k q over denominator r end fraction    
  2. fraction numerator negative k q over denominator x end fraction    
  3. fraction numerator k q over denominator r end fraction equals fraction numerator k q over denominator x end fraction    
  4. fraction numerator k q over denominator x end fraction minus fraction numerator k q over denominator r end fraction    

The correct answer is: fraction numerator k q over denominator r end fraction equals fraction numerator k q over denominator x end fraction

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