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Home Q & A Board Science-Related Homework Help Physics
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bwebb03 bwebb03
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6 years ago
The electron density in copper is 8.49  1028 electrons/m3 . The electron charge is e = -1.60  10-19 C. When a 1.00 A current is present in a copper wire with a 0.40 cm2 cross-section, the electron drift velocity, in m/s, with direction defined relative to the current density, is
 a. -1.84  10-6.
  b. +1.84  10-6.
  c. -1.84.
  d. -5.43  105.
  e. +5.43  105.
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sylviag14sylviag14
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6 years ago
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bwebb03 Author
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6 years ago
Thanks
ofsuahasiufhoas
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Yesterday
this is exactly what I needed
halyna
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2 hours ago
Thank you, thank you, thank you!
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