Solving a problem in physics section 69 point 95 electr

Solving a problem in physics section 69 point 95 electr

95. The area of each plate of a flat mica capacitor is 300 cm2, the thickness of the mica plate is 1 mm. The dielectric constant is 7. What potential difference was applied to the plates, if it is known that 0.21 J of energy was released during the discharge of the capacitor?

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)