A copper wire has 3*10^22 free electrons in 2.1 cm of its length the drift velocity of electron is 2* 10^2 cm/s. a. how many electrons would pass through a given cross section of the wire in one sec ? b.how large a current will flow through the wire ?
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The ans of 1st question is 2.857 * 10^24 /sec.
The answer of 2nd question is 4.57 * 10^5 Ampere.
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