A parallel-plate capacitor has plates with an area of 420 cm² and an air-filled gap between the plates that is 2.30 mm thick. The capacitor is charged by a battery to 550 V and then is disconnected from the battery. Part A How much energy is stored in the capacitor? U = 24.4 HhJ Submit ✓ Correct Part B The separation between the plates is now increased to 4.40 mm. How much energy is stored in the capacitor r U = 46.8 μJ Submit Part C Previous Answers ✓ Correct How much work is required to increase the separation of the plates from 2.30 mm to 4.40 mm? Submit Previous Answers W = 22.3 μJ Part D ✓ Correct Submit Previous Answers Explain your reasoning. Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining Request Answer

A parallel-plate capacitor has plates with an area of 420 cm² and an air-filled gap between the plates that is 2.30 mm thick. The capacitor is charged by a battery to 550 V and then is disconnected from the battery. Part A How much energy is stored in the capacitor? U = 24.4 HhJ Submit ✓ Correct Part B The separation between the plates is now increased to 4.40 mm. How much energy is stored in the capacitor r U = 46.8 μJ Submit Part C Previous Answers ✓ Correct How much work is required to increase the separation of the plates from 2.30 mm to 4.40 mm? Submit Previous Answers W = 22.3 μJ Part D ✓ Correct Submit Previous Answers Explain your reasoning. Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining Request Answer