Assuming the voltage on the plates is held fixed, what fraction of the total energy stored in the capacitor is dissipated via conduction through air between the plates in 1 minute? (precision 0.01)

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Assuming the voltage on the plates is held fixed, what fraction of the total energy stored in the
capacitor is dissipated via conduction through air between the plates in 1 minute? (precision 0.01)
Transcribed Image Text:Assuming the voltage on the plates is held fixed, what fraction of the total energy stored in the capacitor is dissipated via conduction through air between the plates in 1 minute? (precision 0.01)
13
Dry air is a pretty decent insulator; it has a very high resistivity of 3 × 10º Q · m. Consider a
capacitor that has square plates 15 cm on a side, separated by 0.8 mm of dry air. The capacitor is
charged such that it has a potential of 320 V between the plates.
Transcribed Image Text:13 Dry air is a pretty decent insulator; it has a very high resistivity of 3 × 10º Q · m. Consider a capacitor that has square plates 15 cm on a side, separated by 0.8 mm of dry air. The capacitor is charged such that it has a potential of 320 V between the plates.
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