NEET 2019 Model Question Paper 5

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Question : 113 of 180

Marks: +1, -0

Point charges +4q, -q and +4q are kept on the X-axis at point x = 0, x = a and x = 2a respectively.

only –q is in stable equilibrium
all the charges are in stable equilibrium except along a line
all of the charges are in unstable equilibrium except along a line
none of the charges is in equilibrium

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