Friday
April 25, 2014

Homework Help: electric physics

Posted by sweety on Tuesday, April 14, 2009 at 7:50am.

Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.4 cm-3, and their speed is 576 km/s. (a) Find the current density of these protons. (b) If Earth's magnetic field did not deflect the protons, what total current in amperes Earth receive?

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