An Air-Filled, Parallel Plate Capacitor with Circular Plates of Radius

question 69

Multiple Choice

An air-filled, parallel plate capacitor with circular plates of radius 0.07 m is used to store energy. If it is desired to store 12 × 10⁻⁶ J in this capacitor, what must the separation distance be for a voltage of 1.5 kV?

• A) 0.64 cm
• B) 0.41 cm
• C) 2.5 cm
• D) 1.3 cm

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