What is the electric field in an aluminum wire if the drift speed of the free...
What is the electric field in an aluminum wire if the drift speed of the free elctrons in the wire is measured to be 3.63 * 10^-5 m/s? The resistivity of aluminum us 2.655 * 1-^-8 ohms/m.
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What is the electric field in an aluminum wire if the drift
speed of the free...
An aluminum wire with a diameter of 0.125 mm has a uniform electric field of 0.295...
An aluminum wire with a diameter of 0.125 mm has a uniform electric field of 0.295 V/m imposed along its entire length. The temperature of the wire is 55.0° C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity of aluminum at this temperature. ρ = 3.2e-8 Ω·m (b) What is the current density in the wire? J = MA / m2 (c) What is the total...
An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.205...
An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.205 V/m imposed along its entire length. The temperature of the wire is 35.0°C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity (in . m) of aluminum at this temperature. p= 2.m (b) What is the current density (in MA/m2) in the wire? = C MA/m2 (c) What is the total...
An aluminum wire with a diameter of 0.115 mm has a uniform electric field of 0.235...
An aluminum wire with a diameter of 0.115 mm has a uniform electric field of 0.235 V/m imposed along its entire length. The temperature of the wire is 45.0°C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity (in Ω · m) of aluminum at this temperature. ρ = Ω · m (b) What is the current density (in MA/m2) in the wire? J = MA/m2 (c) What is...
A 9.8×10−4 V/m electric field creates a 4.9×1017 electrons/s current in a 1.7-mm-diameter aluminum wire. What...
A 9.8×10−4 V/m electric field creates a 4.9×1017 electrons/s current in a 1.7-mm-diameter aluminum wire. What is the drift speed and what is the mean time between collisions for electrons in this wire?
A 1.9×10−3 V/m electric field creates a 3.2×1017 electrons/s current in a 1.0-mm-diameter aluminum wire. What...
A 1.9×10−3 V/m electric field creates a 3.2×1017 electrons/s current in a 1.0-mm-diameter aluminum wire. What is the drift speed? What is the mean time between collisions for electrons in this wire?
A 3.0×10−4 V/m electric field creates a 2.1×1017 electrons/s current in a 2.0-mm-diameter aluminum wire. Part...
A 3.0×10−4 V/m electric field creates a 2.1×1017 electrons/s current in a 2.0-mm-diameter aluminum wire. Part A What is the drift speed? Part B What is the mean time between collisions for electrons in this wire?
1. When a current flows in an aluminum wire of diameter 4.67 mm, the drift speed...
1. When a current flows in an aluminum wire of diameter 4.67 mm, the drift speed of the conduction electrons is 0.000135 m/s. How many electrons are flowing past a given point each second? The conduction electron density in aluminum is 6.00×1028 m−3. 2. When a current flows in an aluminum wire of diameter 2.15 mm, the drift speed of the conduction electrons is 0.000249 m/s. How many electrons are flowing past a given point each second? The conduction electron...
If the magnitude of the drift velocity of free electrons in a copper wire is 7.24...
If the magnitude of the drift velocity of free electrons in a copper wire is 7.24 x 10-4 m/s, what is the electric field in the conductor? V/m Need Help? Read It Master It
13. The resistivity of aluminum at 25 'C has been measured to be 2.72 x 10-8 0 m. The thermal coefficient of resistivity of aluminum at 0 C is 4.29 x 10-3 K-1. Aluminum has a valency of 3, a d...
13. The resistivity of aluminum at 25 'C has been measured to be 2.72 x 10-8 0 m. The thermal coefficient of resistivity of aluminum at 0 C is 4.29 x 10-3 K-1. Aluminum has a valency of 3, a density of 2.70 g cm3, and an atomic mass of 27 a. Calculate the resistivity of aluminum at-40°С. (Ans: 2.03 x 103 Ω m) b. What is the thermal coefficient of resistivity at-40'C? (Ans: 5.23x 103K c. Estimate the mean...
11. An aluminum wire with a square cross-section 2 mm on a side is carrying a current of 1.5 amps. Aluminum has a resistivity of 2.69 x 10* ohm-cm and an atormic volume of 10 cc/mol. Assuming alum...
11. An aluminum wire with a square cross-section 2 mm on a side is carrying a current of 1.5 amps. Aluminum has a resistivity of 2.69 x 10* ohm-cm and an atormic volume of 10 cc/mol. Assuming aluminum has three free electrons per atom, calculate the (a) Hall coeffcient, (b) electron mobility, (c) drift velocity, d) collision time. (e) electric field, (f) power dissipated (heat generated) per cm length, and (g) the Hall voltage across the wire in a transverse...
An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.205 V/m imposed along its entire length. The temperature of the wire is 35.0°C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity (in . m) of aluminum at this temperature. p= 2.m (b) What is the current density (in MA/m2) in the wire? = C MA/m2 (c) What is the total...
If the magnitude of the drift velocity of free electrons in a copper wire is 7.24 x 10-4 m/s, what is the electric field in the conductor? V/m Need Help? Read It Master It
13. The resistivity of aluminum at 25 'C has been measured to be 2.72 x 10-8 0 m. The thermal coefficient of resistivity of aluminum at 0 C is 4.29 x 10-3 K-1. Aluminum has a valency of 3, a density of 2.70 g cm3, and an atomic mass of 27 a. Calculate the resistivity of aluminum at-40°С. (Ans: 2.03 x 103 Ω m) b. What is the thermal coefficient of resistivity at-40'C? (Ans: 5.23x 103K c. Estimate the mean...
11. An aluminum wire with a square cross-section 2 mm on a side is carrying a current of 1.5 amps. Aluminum has a resistivity of 2.69 x 10* ohm-cm and an atormic volume of 10 cc/mol. Assuming aluminum has three free electrons per atom, calculate the (a) Hall coeffcient, (b) electron mobility, (c) drift velocity, d) collision time. (e) electric field, (f) power dissipated (heat generated) per cm length, and (g) the Hall voltage across the wire in a transverse...
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