The electron drift speed in a 3.00-mm-diameter gold wire is 3.00 x 10-5 m/s. How long does it take 1 mole of electrons to flow through a cross section of the wire? Express your answer in days.
Q: A Resistive Heater. You and your team are designing a small tube heater that consists of a small…
A: The resistance of a wire is given by the formula R = ρ L / A, where R is the resistance, ρ is the…
Q: If the magnitude of the drift velocity of free electrons in a copper wire is 9.40 x 10 m/s, what is…
A:
Q: A 14-gauge copper wire has a cross-section area of 2.081 mm². The resistivity of copper at 20…
A: The initial (20oC) resistance is, R1=ρLA=1.7×10-8 Ωm100 m2.081 mm210-6 m21 mm2=0.817 Ω
Q: Electric field through a copper wire is found to be 0.18 V/m. If the copper wire has 8.46x102…
A: Drift velocity is the average velocity at which electrons move through a conductor under the…
Q: current of I = 4.6 A is passing through a conductor with cross sectional area A = 3.5 × 10-4 m2. The…
A: Given Current I = 4.6 A Cross sectional area A =3.5 × 10-4 m2 Number density n =1.2 × 1027…
Q: When a current flows in an aluminum wire of diameter 4.45 mm, the drift speed of the conduction…
A:
Q: Problem 1. A copper wire of cross-sectional area 2.5 mm2 carries a current with a current density of…
A:
Q: Qt: Calculate the drift velocity and mean free path of copper when it carries a steady current of 10…
A: Given: Current I =10 amperes Radius, r =0.08cm Thermal velocity,=1.6×106m/s Resistivity of copper…
Q: Consider a copper wire with a diameter of 2.45 mm. (a) What is the drift speed of the electrons in…
A: Given that: Diameter of copper wire = 2.45 mm, density of copper = 8.92 g/cm3 Molar mass of copper =…
Q: You find a long silver metal rod with a circular cross-section and you measure its cross-section…
A:
Q: An aluminum wire with a diameter of 0.115 mm has a uniform electric field of 0.295 V/m imposed along…
A:
Q: The vector current density of a 3-meter-long and 3mm diameter conductor is given as 155630 A/m2.…
A:
Q: A 0.68-mm-diameter copper wire carries a tiny current of 2.5 μA. The molar mass of copper is 63.5…
A: Given: diameter of copper = 0.68 mm carries a tiny current of I = 2.5 μA. molar mass of copper is…
Q: Wire C and wire D are made from different materials and have length Lc = Lp = 1.4 m. The resistivity…
A:
Q: The current density in a copper wire of diameter 1.02 mm is 1.75 x 10⁵ A/m². The number of free…
A:
Q: An 18 gauge copper wire (diameter 1.02 mm) carries a current with a current density of 3.20 * 106…
A: (a) The expression for the current density is written as, Here, I and A represent the current in…
Q: When a current flows in an aluminum wire of diameter 4.57 mm, the drift speed of the conduction…
A: Given: Diameter, d=4.57 mm, radius r=4.75 mm2=2.285×10-3 m Drift speed ,vd=0.000291 m/s Conduction…
Q: 9 Figure 26-22 gives the drift speed Va vaof conduction electrons in a copper wire versus position x…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: ong wire is made of a metal with the same electron density as copper. The wire ed across the…
A: L=1.5mV=9v
Q: Consider a copper wire with a diameter of 2.55 mm. (a) What is the drift speed of the electrons in…
A: Diameter of copper wire d=2.55 mm (radius r=1.275 mm), current I=15 A, density of copper is 8.92…
Q: A copper wire has a cross-sectional area of 3.31× 10-6m². It carries a constant current of 10.0 A.…
A: Given value--- Area = 3.31 × 10-6 m2 . Current = 10 Amp. density of copper = 8.92 g/cm3 . molar…
Q: When a current flows in an aluminum wire of diameter 2.83 mm, the drift speed of the conduction…
A:
Q: When a current flows in an aluminum wire of diameter 4.67 mm,4.67 mm, the drift speed of the…
A: Radius of the aluminium wire(r)=Diameter of the wire2=4.67×10-32=2.335×10-3mArea of the…
Q: When a current flows in an aluminum wire of diameter 2.33 mm, the drift speed of the conduction…
A: Current = 11.435 AExplanation:
Q: A uniform cross-séction of šilver hås à resistivity of 1.54 × 10-8 2 m at room temperature. For an…
A: Resistivity ρ= 1.54×10-8 Ωm n=5.8*1028 E=1 v/m σ=1ρ=11.54×10-8 Ωm=6.49×107 Ω-1m-1 b. mobility,…
Q: An aluminum wire with a diameter of 0.105 mm has a uniform electric field of 0.235 V/m imposed along…
A:
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- What is the electron drift speed?A copper wire has a square cross section 2.3mm on a side. The wire is 4m long and carries a current of 3.6 A. The density of the free electrons is n = 8.5 * 1029 m-3. The resistivity of Copper is 1.7 * 10-8 ohmmeter. What is the current density and the electric field inside the wire?An iron wire has a cross-sectional area of 6.50 × 10¬6 m2. Carry out steps (a) through (e) to compute the drift speed of the conduction electrons in the wire. (a) How many kilograms are there in 1 mole of iron? kg/mol (b) Starting with the density of iron and the result of part (a), compute the molar density of iron (the number of moles of iron per cubic meter). mol/m3 (c) Calculate the number density of iron atoms using Avogadro's number. atoms/m3 (d) Obtain the number density of conduction electrons given that there are two conduction electrons per iron atom. electrons/m3 (e) If the wire carries a current of 42.0 A, calculate the drift speed of conduction electrons. m/s
- A current of I = 1.1 A is passing through a conductor with cross sectional area A = 3.5 × 10-4 m2. The charge carriers in the conductor, electrons, have a number density n = 7.7 x 1027 m-3. Part (a) Express the drift velocity of electrons through I, A, n, and the fundamental charge e. vd = (I/A n e) is an incorrect equation. Part (b) Calculate the numerical value of v, in m/s. vd =A conductor has a cross-sectional area of 2.3x106 m² and the number of free electrons per unit volume is 8.5 X1028 electron/m³. When the current is 7.1 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6×1019 c.A current of I = 3.6 A is passing through a conductor with cross sectional area A = 6.5 × 10-4 m2. The charge carriers in the conductor, electrons, have a number density n = 4.5 x 1027 m-3. Part (a) Express the drift velocity of electrons through I, A, n, and the fundamental charge e. vd = (I/A n e) is an incorrect equation. Part (b) Calculate the numerical value of v, in m/s. vd =
- A wire has a current density of 6.71 × 10° A/m2. If the cross-sectional area of the wire is 1.03 mm2, what current I does the wire carry? I = A With this current, how much time t is required for 3.99 × 1020 electrons to pass any point on the wire? t = SCalculate the drift velocity (in ×10-6 m/s) of electrons in a silver cylindrical conductor with a diameter of 2.0 cm carrying 5.0 A current, given there is one free electron per silver atom. ρsilver = 10490 kg/m3 atomic mass of silver = 107.9 g/mol Avogadro's number = 6.02×1023 atoms/molA copper wire that is 2.70 mm in radius with density 8.94 g/cm3 has a current of 6.10 A. The molar mass of copper is 63.5463 g/mol, and each copper atom contributes one free electron. What is the drift speed of the electrons in the copper wire?
- A 1.00-mm-radius, cylindrical copper wire carries a current of 8.00 A. If each copper atom in the wire contributes one free conduction electron to the current, what is the drift velocity of the electrons in the wire? Some useful information: MCu= 63.546 g/mole, ρCu = 8.96 g/cm3, and NA = 6.02 x 1023 mole-1. a. 0.187 mm/s b. 0.510 mm/s c. 0.304 mm/s d. 0.0923 mm/s e. 0.733 mm/sA spool of copper wire 320 m long and with a diameter of 0.360 mm is at 20.0°C. For copper, the resistivity is 1.70 x 10-8 0. m and the temperature coefficient of resistivity is 3.90 x 10-3 (°C)-1. (a) What is the magnitude of the electric field (in V/m) in the wire if it carries a current of 0.550 A? V/m (b) What is the electric power (in W) delivered to the spool while it carries a current of 0.550 A? WProblem 3: A 1.2 g wire has a density of 2.7 g/cm3 and a resistivity of 2.7 × 10−8 Ωm. The wire has a resistance of 15 Ω. a) How long is the wire? b) The wire is made up of atoms with valence 1 and molar mass 26.98 g/mol. What is the drift speed of the electrons when there is a voltage drop of 30 V across the wire?