Two point charges $-5 \mu \mathrm{C}$ and $+5 \mu \mathrm{C}$ are placed at $\mathrm{A}$ and $\mathrm{B}$…

Two point charges $-5 \mu \mathrm{C}$ and $+5 \mu \mathrm{C}$ are placed at $\mathrm{A}$ and $\mathrm{B}$ respectively on a straight line separated by $5 \mathrm{~cm}$. At a point $\mathrm{C}$ if the resultant field is parallel to the line joining the points $A$ and $B$ then
  1. $\mathrm{AC}=\mathrm{BC}$
  2. $2 \mathrm{AC}=\mathrm{BC}$
  3. $\mathrm{AC}=2 \mathrm{BC}$
  4. $\mathrm{AC}=\frac{\mathrm{BC}}{3}$

Solution

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Asked in: AP EAMCET 2018 (24 Apr Shift 2)

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