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Four charges +Q,-Q,+Q,-Q  are placed at the corners of a square taken in order. At the centre of the square

 

  • Option 1)

    E=0,V=0

     

     

     

  • Option 2)

    E=0,V\neq 0

  • Option 3)

    E\neq0,V= 0

  • Option 4)

    none of these

 

Answers (1)

best_answer

As we learned

 

Potential of a System of Charge -

V=\sum_{i=1}^{i=n}\frac{kQ_{i}}{r_{i}}

-

 

 At centre

E=0

and V = 0  due to symmetry structure .


Option 1)

E=0,V=0

 

 

 

Option 2)

E=0,V\neq 0

Option 3)

E\neq0,V= 0

Option 4)

none of these

Posted by

Plabita

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