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Grade: 12th pass 
        A certain charge is to be divided into two parts (Q-q) and q. What is the relation Q to q if the two parts, placed a given distance apart, are to have a maximun Coulumb repulsion?
2 years ago

Answers : (1)

Vikas TU
7086 Points 
							
Force = K(Q-q)q/r^w
Now Numerator = K(Q-q)q should be maximum Hence,
q ahould be minium.
Rherfore,
dN/dq = k[Q-q-q]  = 0
Q – 2q = 0
Q = 2q is tthe relation.
2 years ago
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