Example 3 A wire with circular cross section and radius of 2 (mm) is carrying 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...
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 =...
consider a wire or a circular cross-section with a radius of R = 3.46 mm. The magnitude of the current density is modeled as ] = c,2-5.25 × 106 A/m4 r2. what is the current (in A) through the inner section of the wire from the center to r-0.5R?
Consider a wire of a circular cross-section with a radius of R = 3.03 mm. The magnitude of the current density is modeled as ) = cr= 7.75 x 100 A/m . What is the current in A) through the inner section of the wire from the center to r = 0.5R? A
as ) = cr2 Consider a wire of a circular cross-section with a radius of R 3.02 mm. The magnitude of the current density is modeled 5.75 X 106 A/m4 r2. What is the current (in A) through the inner section of the wire from the center to 0.5R? r = A
1.5*1020 electrons flow through a cross section of a 3.70 mm diameter iron wire in 4.00 s. The electron density of iron is n = 8.5*1028 m-3. What is the electron drift speed?
ke=8.99XIU' N.1 Problem 4 A copper wire has a circular cross section with a diameter of 1.25 mm. (i) If the wire carries a current of 2A, find the drift speed of electrons in this wire. (ii) All other things being equal, what happens to the drift speed if the wire is made of a different metal, having a larger number of conduction electrons than copper? M=0.063 kg/mol; p=8.9 g/cm3. Problem 5 A proton moves perpendicular to a uniform magnetic...
2.00 × 1020 electrons flow through a cross section of a 3.50-mm-diameter iron wire in 6.00 s . Part A What is the electron drift speed? ___________ μm/s
2. A copper wire carrying a current of 5.00 A has a cross-sectional area of 5.00 x 106 m2. Find the drift speed of the electrons in the wire. The density of copper is 8.96 g/cm3. (Assume that each copper atom supplies one free electron.)
If 1.11x1020 electrons flow through a cross section of a 2.96 mm diameter Gold wire in 5.53 s, then what is the drift speed of the electrons? (The density of conduction electrons in Gold is n = 5.90x1028 1/m3.) 4.94x10-2 mm/s (in mm/s)