Near earth the density of protons in the solar wind a, Ask an Expert

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Near Earth, the density of protons in the solar wind (a stream ofparticles from the Sun) is 8.80cm-3 and their speed is about 470 km/s.

(a) Find the current density of these protons.

A/m2

(b) If Earth's magnetic field did not deflect the protons, whattotal current would Earth receive?

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