Electric field and Potential: Parallel plate capacitor.
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Part 1
Consider the Earth and a cloud layer 760 m above the Earth to be the plates of a parallel-plate capacitor. If the cloud layer has an area of 1.03 km2 = 1.03E+6 m2, what is the capacitance?
Part 2
If an electric field strength greater than 4.29E+6 N/C causes the air to break down and conduct charge (lightning), what is the maximum charge the cloud can hold?
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Consider the Earth and a cloud layer 760 m above the Earth to be the plates of a parallel-plate capacitor. If the cloud layer has an area of 1.03 km2 = 1.03E+6 m2, what is the capacitance?
The capacitance of a parallel plate capacitor is given by
Here A is the area of the capacitor plates equal to 1.03*106 ...
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