Tipler6 25.P.033.soln. A 10-gauge copper wire and a 14-gauge copper wire are welded together end to...
Tipler6 25.P.033.soln.
A 10-gauge copper wire and a 14-gauge copper wire are welded together end to end. The wires carry a current of 15.8 A.
(a) If there is one free electron per copper atom in each wire, find the drift velocity of the electrons in each wire. (Let the cross-sectional area of 10-gauge and 14-gauge wire be 5.261 mm2 and 2.081 mm2, respectively.)
| 10-gauge wire | mm/s |
| 14-gauge wire | mm/s |
(b) What is the ratio of the magnitude of the current density in
the length of 10-gauge wire to the magnitude of the current density
in the length of 14-gauge wire?
| J10 |
| J14 |
=
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Tipler6 25.P.033.soln.
A 10-gauge copper wire and a 14-gauge copper wire are welded
together end to...
Tipler6 25.P.033.soln. A 10-gauge copper wire and a 14-gauge copper wire are welded together end to...
Tipler6 25.P.033.soln. A 10-gauge copper wire and a 14-gauge copper wire are welded together end to end. The wires carry a current of 15.8 A. (a) If there is one free electron per copper atom in each wire, find the drift velocity of the electrons in each wire. (Let the cross-sectional area of 10-gauge and 14-gauge wire be 5.261 mm2 and 2.081 mm2, respectively.) 10 - Gauge Wire _________ mm/s 14 - Gauge Wire _________ mm/s (b) What is the...
Tipler6 25.P.031.soln. A 10 gauge copper wire carries a current of 23 A. Assuming one free...
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 14-gauge copper wire has a diameter of 1.684 mm. What magnitude current flows in amperes...
A 14-gauge copper wire has a diameter of 1.684 mm. What magnitude current flows in amperes when the drift velocity is 1.20 mm/s? (The density of free electrons in copper is 8.34 ✕ 1028 e−/m3.).) ____________ A
A 14 gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when...
A 14 gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift velocity is 1.07 mm/s?
A 10.0 cm length of copper wire has a uniform cross-sectional area of 1.0 mm2. If...
A 10.0 cm length of copper wire has a uniform cross-sectional area of 1.0 mm2. If the drift speed of electrons in the wire is: 2.0x10-4 m/s and the electrons all move directly along the wire, what is the magnitude of the current density? What is the total current carried by the wire.
4a. The resistance of a 5.0 meter length of 14-gauge copper wire is 8.1 x 10...
4a. The resistance of a 5.0 meter length of 14-gauge copper wire is 8.1 x 10 ohms/meter. How much energy loss occurs per second in the wire when a current of 20.0 amps is applied? Assume that the cross-sectional area is 2.1 mm', what is the shortest time in which the applied current could heat the wire by 15.0°C? You may assume that the density of copper is 8.92 x 10 kg/m and its molar heat capacity is 6.0 calories/mole/K....
the 12 gauge copper wire in a typical residential building has a cross-sectional area of 3.31e-6...
the 12 gauge copper wire in a typical residential building has a cross-sectional area of 3.31e-6 m^2. it carries a constant current of 10 A. What is the drift speed of the electrons in the wire? Assume each copper atom contributes one free electron to the current. The density of copper is 8.92 g/cm^3
20.16 - Current A 14.0-gauge copper wire has a diameter of 1.628 mm. What magnitude current...
20.16 - Current A 14.0-gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift velocity is 1.41 mm/s? (See Example 20.3 for useful information.) 22.2A Submit Anser Incorrect. Tries 3/10 Previous Tries
20.16 - Current A 14.0-gauge copper wire has a diameter of 1.628 mm. What magnitude current...
20.16 - Current A 14.0-gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift velocity is 1.41 mm/s? (See Example 20.3 for useful information.) 22.2A Submit Anser Incorrect. Tries 3/10 Previous Tries
A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a...
A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a 40.0 m long piece of such wire. (Use 1.72x108 2m for the resistivity of copper.) Submit Answer Tries 0/99 For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring the limit is 15.0 A for rubber insulated wire of that size. How much power would be dissipated in thé wire of...
4a. The resistance of a 5.0 meter length of 14-gauge copper wire is 8.1 x 10 ohms/meter. How much energy loss occurs per second in the wire when a current of 20.0 amps is applied? Assume that the cross-sectional area is 2.1 mm', what is the shortest time in which the applied current could heat the wire by 15.0°C? You may assume that the density of copper is 8.92 x 10 kg/m and its molar heat capacity is 6.0 calories/mole/K....
20.16 - Current A 14.0-gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift velocity is 1.41 mm/s? (See Example 20.3 for useful information.) 22.2A Submit Anser Incorrect. Tries 3/10 Previous Tries
20.16 - Current A 14.0-gauge copper wire has a diameter of 1.628 mm. What magnitude current flows when the drift velocity is 1.41 mm/s? (See Example 20.3 for useful information.) 22.2A Submit Anser Incorrect. Tries 3/10 Previous Tries
A number 14 copper wire has a diameter of 1.628 mm. Calculate the resistance of a 40.0 m long piece of such wire. (Use 1.72x108 2m for the resistivity of copper.) Submit Answer Tries 0/99 For safety, the National Electrical Code limits the allowable amount of current which such a wire may carry. When used in indoor wiring the limit is 15.0 A for rubber insulated wire of that size. How much power would be dissipated in thé wire of...
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