A copper wire has a circular cross section with a radius of 1.06 mm. (a) If the wire carries a current of 4.03 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

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A: Given  Current I = 4.6 A   Cross sectional area A =3.5 × 10-4 m2   Number density n =1.2 × 1027…

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A: Current (i) = 8.3×10-10 A diameter (d) = 2.9 mm Radius (R) = 1.45 mm = 0.00145 m n = 8.49×1028 m-3

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Q: A

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