The figure-1.424 shows, two point charges \( q_{1}=+2 Q \) and P \( q_{2}=-Q \). The charges div...

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The figure-1.424 shows, two point charges \( q_{1}=+2 Q \) and
P \( q_{2}=-Q \). The charges divide the line joining them in threeparts

W I, II and III as shown in figure-1.424 then which of the following statements is/are correct :
Figure \( 1.424 \)
(A) Region III has a local maxima of electric field
(B) Region I has a local minima of electric field
(C) Equilibrium position for a test charge lies in region II
(D) The equilibrium for constrained motion along the line joining the charges is stable for a negative charge
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