Question Detail
Question
Two identical capacitors: air and oil, same charge. Ratio E_air/E_oil?
Correct Answer
Option D is the correct answer.
Detailed Explanation
E = σ/ε = Q/(Aε). For same Q, E ∝ 1/ε. ε_oil > ε_air, so E_air > E_oil → ratio > 1.
Hint
E ∝ 1/ε.