: Hard-boiled eggs have often been used to model the layers of Earth’s interior. Which choice describes how heat would move through Earth’s layers? A. Within the yolk only
B. From the shell to the yolk
C. From the yolk to the white
D. Around the yolk in the white

Adielectric-filled parallel-plate capacitor has plate area a = 30.0 cm2 , plate separation d = 9.00 mm and dielectric constant k = 3.00. the capacitor is connected to a battery that creates a constant voltage v = 15.0 v . throughout the problem, use ϵ0 = 8.85x10-12 c2/n.m2 . find the energy u1 of the dielectric-filled capacitor.