Solve the above Question on Coulomb's Law.... Class 12
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Answers
Explanation:
let one charge be ... q
another becomes Q-q
let distance b/w them is r
force is maximum that means
dF/dq=0
F=k(q)(Q-q)/r^2
d[k(qQ-q^2)]/dq=0
differentiating w.r.t a
Q-2q=0
q=Q/2
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