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A conductor has surface charge density 8.85 × 10⁻¹⁰ C/m². Field just outside?
A8.85 N/C
B10 N/C
C100 N/C
D1000 N/C
Answer & Solution
Correct answer: C. 100 N/C
E = σ/ε0 = 8.85×10⁻¹⁰ / 8.85×10⁻¹² = 100 N/C.
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