The question does not specify the exact variation of 'E' with 'r', but it likely refers to the electric field generated by a point charge or a spherically symmetric charge distribution (like a charged sphere or shell). In these cases, the electric field strength 'E' is inversely proportional to the square of the distance 'r' from the source (E ∝ 1/r²).
For which body the following variation of E with r is observed?
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Question context
This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.