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3 charges 4q.Q and q are in straight line in the position O,l/2 and l respectively.The resultsnt force on q will be

7 years ago


Answers : (1)


4q     Q      q


0      0.5     1


Force on q = Qq/4*pi*e*(1/2)^2   +    4q^2/4*pi*e*(1)^2    (e=absolute permittivity of free space)

                = 4q(q+Q)/4*pi*e  (towards right)

7 years ago

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