A conducting cable of length 23.5 m and radius 0.500 mm is connected to the battery providing potential difference 2.3 V. What is the current in the cable if the resistivity of the material it is made of is 2.41×10¬8 n. m. Provide your answer in amperes, with a precision of two places after the decimal.

A conducting cable of length 23.5 m and radius 0.500 mm is connected to the battery providing potential difference 2.3 V. What is the current in the cable if the resistivity of the material it is made of is 2.41×10¬8 n. m. Provide your answer in amperes, with a precision of two places after the decimal.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 67PQ

See similar textbooks

Similar questions

A 0.900-V potential difference is maintained across a 1.50-m length of tungsten wire that has a cross-sectional area of 0.600 mm2. What is the current in the wire?
If the current carried by a conductor is doubled, what happens to (a) the charge carrier density, (b) the current density, (c) the electron drift velocity, and (d) the average time interval between collisions?
consider a conducting wire made of copper. copper has a carrier density of 8.5x10^28 carriers/m^3 and an electrical resistivity of 1.7x10^-8 ohms*m and a charge of 1e/carrier. If a potential difference of 12V is applied between the ends of a copper wire that is 100m long and 1.0mm in diameter, how much current will flow?
A high voltage transmission line of diameter 2.55 cm and length 3.42167 km carries a steady current of 2 x103 A. If the conductor is copper with a free charge density of 7 x 1028 electrons/m3, how long (in seconds ) does it take one electron to travel the full length of the cable? (e = 1.6 x 10−19 C).For this problem use scientific/exponential notation to represent your answer.
A material of resistivity 370,000 Ohms*m is shaped into a hollow cylindrical shell of length 3 cm, inner radius 0.51 cm and outer radius 1.02 cm. A potential difference is applied across the ends of the cylinder. Find the resistance of the cylinder.
At room temperature, what is the strength of the electric field in a 12 gauge copper wire (diameter 2.05 mm) that is needed to cause a 3.90 A current to flow? Use the resistivity at room temperature for copper ρ = 1.72×10−8 Ω⋅m. Express your answer with the appropriate units. What field would be needed if the wire were made of silver instead? Use the resistivity at room temperature for silver ρ = 1.47×10−8 Ω⋅m. Express your answer with the appropriate units.
A high voltage transmission line of diameter 2.09 cm and length 4.9017 km carries a steady current of 1.1 x 103 A. If the conductor is copper with a free charge density of 4 x 1028 electrons/m3 how long (in seconds) does it take one electron to travel the full length of the cable? (e=1.6 x 1019 C). Use scientific/exponential notation to represent your answer.
A high voltage transmission line of diameter 3.73 cm and length 3.76189 km carries a steady current of 1.9 x103 A. If the conductor is copper with a free charge density of 6 x 1028 electrons/m3, how long (in seconds ) does it take one electron to travel the full length of the cable? (e = 1.6 x 10−19 C).For this problem use scientific/exponential notation to represent your answer. Eg., -0.0001 can be written as 1.0e-4 or as 1.0E-4. Spaces are not allowed.
If a current of 5A passes through a conductor with a resistance of 7 Ω, 3 minutes of walking, How many electrons pass through the section during this time? (Find the factor x10^21) A) 5,6 B) 4.8 C) 3.1 D) 7.8 E) 2.7
A 14 gauge copper wire of diameter 1.628 mm carries a current of 10.5 mA. (ρcopper=1.72×10−8Ω⋅m.) a) What is the potential difference across a 2.20 mm length of the wire? Express your answer in volts. b) What would the potential difference in part A be if the wire were silver instead of copper, but all else was the same? ρsilver=1.47×10−8Ω⋅m. Express your answer in volts.
A cylindrical conducting wire which is 342.57cm long, 85.39mm thick and resistivity of 3.13Ω.m, (a) has the resistance of R = ? If current I = 12.9A is generated by flowing of 217 electrons/m3 via a conductor, Then the electrons through this conductor (b) have a density J = ?and (c) are drifting at a speed of VD = ?
A typical wire for laboratory experiments is made of copper and has a radius 0.815 mm.Calculate the drift speed of electrons in such a wire carrying a current of 1 A, assuming one freeelectron per atom. (density of copper 8.93 g/cm3 and molar mass of copper 63.5 g/mol)