How Much Charge Can Be Placed on a Capacitor of Plate

question 36

Multiple Choice

How much charge can be placed on a capacitor of plate area 20 cm² with air between the plates before it reaches "atmospheric breakdown" where E = 3.0 × 10⁶ V/m? (ε₀ = 8.85 × 10−¹² C²/N⋅m²)

• A) 6.6 × 10−⁷ C
• B) 2.7 × 10−⁸ C
• C) 5.3 × 10−⁸ C
• D) 4.0 × 10−⁷ C

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