Copper has 8.5 times 10^28 free electrons per cubic meter A 73.0 cm length of 12-gauge...
Problem 3 Copper has 8.5-1028 free electrons per cubic meter. A 71.0 cm length of 12-gauge copper wire that is 2.05 mm in diameter carries 4.85 A of current. (a) How much time does it take for an electron to travel the length of the wire? (b) Repeat part (a) for 6-gauge copper wire (diameter 4.12 mm) of the same length that carries the same current. (c) More generally, how does changing the diameter of the wire that carries a...
(16 points) Copper has 8.5 x 1023 free electrons per cubic meter. A segment of copper wire that has a length of 45 cm and cross-sectional radius of 1.1 mm carries a current of 4.8 A. (a) Calculate the drift velocity of electrons in the wire. 9. (b) Calculate the average time i tkes for an electron to dfift through the wire segment. (Area of a circle A m2, where r is the radius)
Copper contains 8.4 Times 10^28 free electrons per cubic meter. A copper wire of cross-sectional area 7.4 Times 10^-7 m^2 carries a current of 1 A. What is the electron drift speed?
A 4.00 A current runs through a 12-gauge copper wire (diameter 2.05 mm) and through a light bulb. Copper has 8.5×1028 free electrons per cubic meter. a)How many electrons pass through the light bulb each second? b)What is the current density in the wire? c)At what speed does a typical electron pass by any given point in the wire?
An 18-gauge copper wire (diameter 1.02 mm) carries a current with a current density of 1.40×106 A/m2 . Copper has 8.5×1028 free electrons per cubic meter Calculate the current in the wire Calculate the drift velocity of electrons in the wire.
A 5.00-Amp current runs through a 12 gauge - copper wire(diameter 2.05mm) and through a light bulb. Copper has 8.5*10^28 free electrons per cubic meter. A. How many electrons pass through the light bulb each second? B. What is the current density in the wire? C. At what speed does a typical electron pass by any given point in the wire? D. If you were to use wire of twice the diameter, which of the above answers would change? Would...
A 160-km-long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1,150 A. If the conductor is copper with a free charge density of 8.5 1028 electrons per cubic meter, how many years does it take one electron to travel the full length of the cable? (Use 3.156 107 for the number of seconds in a year.) yr?
Copper wire has a diameter of 1.02 mm. It carries a current of 1.67 A to a 200 W bulb. The density of free electrons is 8.5x10^28 electrons per cubic meter. Find a) the current density and b) the drift velocity
7 A 4.00 A current runs through a 12-gauge copper wire (diameter 2.05 mm) and through a light bulb. Copper has 8.5 x 1028 free electrons per cubic meter. Part A How many electrons pass through the light bulb each second? να ΑΣφ ? N= Request Answer Submit Part B What is the current density in the wire? V ΑΣφ ? A/m2 Request Answer Submit Part C At what speed does a typical electron pass by any given point in...
Tipler6 25.P.031.soln. A 10 gauge copper wire carries a current of 23 A. Assuming one free electron per copper atom, calculate the drift velocity of the electrons. (The cross-sectional area of a 10-gauge wire is 5.261 mm2.) mm/s