AP EAMCET · PHYSICS · Electrostatics
If four charges \(q_1=+1 \times 10^{-8} \mathrm{C}, q_2=-2 \times 10^{-8} \mathrm{C}\), \(q_3=+3 \times 10^{-8} \mathrm{C}\) and \(q_4=+2 \times 10^{-8} \mathrm{C}\) are kept at the four corners of a square of side 1 m , then the electric potential at the centre of the square is
- A 300 V
- B 200 V
- C 510 V
- D 410 V
Answer & Solution
Correct Answer
(C) 510 V
Step-by-step Solution
Detailed explanation
\(\begin{aligned} & \text { } \mathrm{q}_1=+1 \times 10^{-8} \mathrm{C}, \mathrm{q}_2=-2 \times 10^{-8} \mathrm{C} \\ & \mathrm{q}_3=+3 \times 10^{-8} \mathrm{C}, \mathrm{q}_4=+2 \times 10^{-8} \mathrm{C} \\ & \mathrm{a}=1 \mathrm{~m}\end{aligned}\)…
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