m 2 dielectric-filled parallel-plate capacitor has plate area A = 30.0 cm². late separation d = 10.0 mm and dielectric constant k = 2.00. The apacitor is connected to a battery that creates a constant voltage V = 12.5 Throughout the problem, use to = 8.85x10-12 C²/N-m². Part A Find the energy U₁ of the dielectric-filled capacitor Express your answer numerically in joules. ▸ View Available Hint(s) U₁= 4.15x10-10 J Submit Previous Answers ✓ Correct Part B The dielectric plate is now slowly pulled out of the capacitor, which remains connected to the battery. Find the energy U₂ of the capacitor at the moment when the capacitor is filled with the dielectric. Express your answer numerically in joules. ▸ View Available Hint(s) IVE ΑΣΦ 1 U₂ 2.08 10-10 Submit Previous Answers X Incorrect; Try Again; 2 attempts remaining ? 2 of J

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Dielectric Constant Of Water

Water constitutes about 70% of earth.  Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.

Electrostatic Potential and Capacitance

An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.