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Solving a problem in physics section 68 point 40 electr
40. What is the average speed of the directional movement of electrons in copper wires at the maximum permissible current density of 10 A / mm2 for them? The concentration of current carriers should be equal to 1029 m – 3.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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Discount for regular customers! If the total of your purchases from the seller
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