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If the electron drift speed is so small(~ 10 ^(-3)m//s)and the electron’s charge is very small, how can we still obtain a large amount of current in a conductor. |
Answer» <html><body><p></p>Solution :The electronnumberdensity is ofthe order of`10 ^(<a href="https://interviewquestions.tuteehub.com/tag/29-299821" style="font-weight:bold;" target="_blank" title="Click to know more about 29">29</a>) m^(-<a href="https://interviewquestions.tuteehub.com/tag/3-301577" style="font-weight:bold;" target="_blank" title="Click to know more about 3">3</a>) , <a href="https://interviewquestions.tuteehub.com/tag/rarr-1175461" style="font-weight:bold;" target="_blank" title="Click to know more about RARR">RARR</a>`thenet currentcan beveryhighevenifthe driftspreadis low.</body></html> | |