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Force of attraction between two point …

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Force of attraction between two point charges placed at a distance 'd' apart in a medium is F. What should be the distance in the same medium so that the force of attraction between them becomes 9F?

Posted by Umesh Chander 7 years, 2 months ago

CBSE > Class 12 > Physics

4 answers

H!Mαη$Hμ Ұαδαυ ✔️ 7 years, 2 months ago

F=kq1q2/d^2 ....given... ,In same medium means k is same and charges are also same Force becomes 9 times ,i.e. 9F... ,9F=kq1q2/x^2....... ,9kq1q2/d^2=kq1q2/x^2..... ,9/d^2=1/x^2..... ,x^2=d^2/9.... ,x=d/3....

Umesh Chander 7 years, 2 months ago

But i want solution

Umesh Chander 7 years, 2 months ago

I know answer is d/3

Ajay Kumar 7 years, 2 months ago

Distance- d/3

ANSWER

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