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2charges 4and 1q are separated by 30 cm ...At what point electric field is zero

2charges 4and 1q are separated by 30 cm ...At what point electric field is zero

Grade:12

1 Answers

Arun
25763 Points
3 years ago

let p be a point between the 2 charges at a distance of x and (30-x).when electric field becomes zero,

k*4q/x2=k*q/(30-x)2

 

on calculation,x=20 cm

 

hence at 20cm electric field is zero

 

Regards

Arun (askIITians forum expert)

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