Two charges 7 \mu C and -2 \mu C are placed at (-9,0,0) cm and (9,0,0) cm respectively in an external field E=\frac{ A }{r^2} \hat{r}, where A=9 \times 10^5 N \/ C . m ^2. Considering the potential at infinity is 0 , the electrostatic energy of the configuration is \_\_\_\_ J. [23 jan 2026 Shift 2]

Electrostatics Part 3

Section: Physics

Question : 8 of 70

Marks: +1, -0

Two charges 7µC and −2µC are placed at (−9,0,0)cm and (9,0,0)cm respectively in an external field E=‌

∧

, where A=9×105N∕C.m2. Considering the potential at infinity is 0 , the electrostatic energy of the configuration is ____ J.

[23 jan 2026 Shift 2]

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