A metal rod of length 48 cm falls toward the earth the rod, Ask an Expert

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A metal rod of length 48 cm falls toward the earth. The rod is horizontal and oriented east-west. At a moment when the rod's speed is 8m/s, approximately how many excess electrons are at the negative end of the rod?

Note: The Earth's magnetic field is 2e-5 T in this question.

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Category:- Physics
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