Physics · Electrostatics

A parallel plate capacitor has an electrode area of 100 mm 2 , with a spacing of 0.1 mm between the electrodes. The dielectric between the plates is air with a permittivity of 8.854 × 10 -12 F/m. If the voltage across the capacitor is 100 V, the stored energy in the capacitor is:

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44.3 nJ

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A parallel plate capacitor has an electrode area of 100 mm 2 , with a spacing of 0.1 mm between the electrodes. The dielectric between the plates is air with a permittivity of 8.854 &times; 10 -12 F/m. If the voltage across the capacitor is 100 V, the stored energy in the capacitor is: