2 point charges 4qand 1q are separated by 30 cm. At what point electric field is zero
imran , 6 Years ago
Grade 12
Wave Optics> 2 point charges 4q and 1q are separated b...
1 Answers
Arun
Last Activity: 6 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
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