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(16 points) Copper has 8.5 x 1023 free electrons per cubic meter. A segment of copper...
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...
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?
Copper has 8.5 times 10^28 free electrons per cubic meter A 73.0 cm length of 12-gauge copper wire, that is 2.05 urni in diameter, carries 4.85 A of current. How much time does it take for an electron to travel the length of the wire? Repeat for 6-gauge copper wire (diameter 4.12 mm) of the same length that carries the same current.
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.
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
A copper wire of 1.0 cross-sectional area carries a current of 2.72 A What is the magnitude of the drift velocity in m/s) for an electron in the wire? The number of free charge carries of copper per unit volume is 8.0x10 electrons/m! A. 2.0E10+
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
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.)
You discover an metallic alloy having 212.6 x 1026 free electrons per cubic meter and resistivity of 51.73 nano Ohm-m. The internal dielectric constant inside the metal is 4.35 and there are 2.15 neutrons per proton in its nuclei. (a) Compute the mass density of the material (b) Compute the time between scattering events for the electrons, assuming the drude model of conduction (c) Compute the plasma frequency of the electrons. (d) A wire made of this metal is 5.29mm...
A thick copper wire 2.3 m long is connected in series to a thin high-resistance Nichrome wire. In the steady state, the conventional current in the thick copper wire is 4 amperes. In this copper wire there are 8 � 1028 mobile electrons per cubic meter and the electron mobility is 4.5 � 10?3 (m/s)/(V/m). The cross-sectional area of the copper wire is 6 � 10?7 m2. The thin high-resistance Nichrome wire (which is connected in series to the thick...