Point charges \[+4q,\,-q\] and \[+4q\] are kept on the \[x-\]axis at p – McqOptions

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1.	Point charges \[+4q,\,-q\] and \[+4q\] are kept on the \[x-\]axis at points \[x=0,\,x=a\] and \[x=2a\] respectively, then [CBSE PMT 1992]
A.	Only \[q\] is in stable equilibrium
B.	None of the charges are in equilibrium
C.	All the charges are in unstable equilibrium
D.	All the charges are in stable equilibrium
Answer» D. All the charges are in stable equilibrium

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