seven charges are placed in a configuration where the charges are placed on the corners of a regular hexagon and its center. they all have a charge of magnitude 4.15 micro coulomb. five charges are positive and 2 are negative. the length of one side of the hexagon is 50cm. find the net force on the center charge?
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Answer:
Among the five forces on five charges,2pairs(four) of forces are cancelled with each other since they are equal in magnitude and opposite in direction.
The resultant force is due to a single force given below.
F=
4πϵ
∘
1
×
l
2
q×q
F=
4πϵ
∘
1
×
l
2
q
2
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