Three infinitely long charge sheets are placed as shown in figure. The electric field at point P is 

(1) 2σεok^

(2) 2σεok^

(3) 4σεok^

(4) -4σεok^

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Concept Questions :-

Electric field

(2) E=σ2εok^2σ2εok^σ2εok^=2σεok^ 

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