A portable defibrillator unit contains a 150 μF capacitor that is charged to 2000 V. The capacitor plates are separated by a 0.010-mm-thick dielectric with k = 300.a. What is the energy density in the electric field when the capacitor is charged?b. How much total energy is stored in the capacitor?

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Combination of Capacitors

The connection of capacitors can be established in a circuit in two ways.