A copper wire has a circular cross section with a radius of 1.36 mm.
HINT
(a)
If the wire carries a current of 3.13 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 ✕ 1029 electrons/m3.)
m/s
(b)
For the same wire size and current, find the drift speed (in m/s) of electrons if the wire is made of aluminum with n = 2.11 ✕ 1029 electrons/m3.
m/s
A copper wire has a circular cross section with a radius of 1.36 mm. HINT (a)...
A copper wire has a circular cross section with a radius of 2.51 mm. (a) If the wire carries a current of 3.93 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 ✕ 10^29 electrons/m^3.) m/s (b) For the same wire size and current, find the drift speed (in m/s) of electrons if the wire is made of aluminum with n = 2.11...
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