Solving a problem in physics section 70 point 16 electr

Solving a problem in physics section 70 point 16 electr

16. The space between the plates of a flat capacitor is filled with a dielectric with a dielectric constant of 2. The plate area is 100 cm2, the distance between the plates is 8.85 mm. The capacitor was charged to a voltage of 1000 V and disconnected from the source. What work needs to be done to remove the dielectric from the capacitor?

Additional information:

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