A Parallel Plate Capacitor with Circular Plates Having Radius 0

question 13

Multiple Choice

A parallel plate capacitor with circular plates having radius 0.07 m is filled with a dielectric of constant 2.2. 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) 2.8 cm
• B) 5.5 cm
• C) 1.3 cm
• D) 0.90 cm
• E) 1.4 cm

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