Question Detail
Question
Max E field in dry air = 3×10⁶ V/m (typical). Plates 3 cm apart. Max voltage?
Correct Answer
Option B is the correct answer.
Detailed Explanation
V = E×d = 3×10⁶ × 0.03 = 90,000 V = 90 kV.
Hint
V = E·d.