Charge q , 2 q and q are fixed on the vertices of an equilateral triangle of
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Question:
Charge qq and q are fixed on the vertices of an equilateral triangle of side length d The charges are
then moved closer together so that they form an equilateral triangle whose side length is now d
Take q to be nC and d to be mm
a What is ratio of the original force on
q to the final force on q
b Determine the work required to move
the charges to the new configuration.
c Determine the change in potential due
to move at the centre of the triangle.
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