EAMCET Engineering 2006 Solved Paper

Section: Physics
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Question : 30 of 160
 
Marks: +1, -0
Along the X-axis, three charges ‌
q
2
,−q
and ‌
q
2
are placed at x=0,x=a and x=2a respectively. The resultant electric potential at x=a+r (if a<<r) is : (ε0. is the permittivity of free space)
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