Physics-
General
Easy

Question

ABC is an equilateral triangle. Charges +q are placed at each corner. The electric intensity at O will be

  1. fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction fraction numerator q over denominator r to the power of 2 end exponent end fraction    
  2. fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction fraction numerator q over denominator r end fraction    
  3. Zero    
  4. fraction numerator 1 over denominator 4 pi epsilon subscript 0 end subscript end fraction fraction numerator 3 q over denominator r to the power of 2 end exponent end fraction    

The correct answer is: Zero


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