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Earth's atmosphere is constantly bombarded by cosmic ray protons that originate somewhere in space. If the protons all passed through the atmosphere, assume that each square meter of Earth's surface would intercept protons at the average rate of 1110 protons per second. What would be the electric current intercepted by the total surface area of the planet?

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Answer:

Explanation:

Each square meter of earth surface intercepts 1110 protons per second.

Total surface of the earth will intercept Ā no of proton equal to

= 1110 x area of surface

= 1110 x 5.1 x 10Ā¹ā“ mĀ²

= 5661 x 10Ā¹ā“

Total charge

= 1.6 x 10ā»Ā¹ā¹ x Ā 5661 x 10Ā¹ā“ coulomb per second

= .09 A .

electric current intercepted by the total surface area of the planet = .09 A.

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