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A 2.0 cm diameter circular parallel plate capacitor with a spacing of 0.5 mm is charged to 200 V. Assume the mediums between the two parallel plates is a vacuum. i) The voltage source is removed and the

A 2.0 cm diameter circular parallel plate capacitor with a spacing of 0.5 mm is charged to 200 V. Assume the mediums between the two parallel plates is a vacuum. i) The voltage source is removed and the

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A 2.0 cm diameter circular parallel plate capacitor with a spacing of 0.5 mm is charged to 200 V. Assume the mediums between the two parallel plates is a vacuum. i) The voltage source is removed and the spacing increased to 1.0 mm. Does the energy stored in the electric field change? If so, what is its new value? ii) With the voltage source disconnected, the spacing is reduced back to 0.5 mm. The capacitor is then filled with a material with a dielectric constant of 5.0. What is the potential difference after the dielectric is added?
Transcribed Image Text:A 2.0 cm diameter circular parallel plate capacitor with a spacing of 0.5 mm is charged to 200 V. Assume the mediums between the two parallel plates is a vacuum. i) The voltage source is removed and the spacing increased to 1.0 mm. Does the energy stored in the electric field change? If so, what is its new value? ii) With the voltage source disconnected, the spacing is reduced back to 0.5 mm. The capacitor is then filled with a material with a dielectric constant of 5.0. What is the potential difference after the dielectric is added?
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