Determine the current density in an aluminum wire of length 2.00 m and radius 0.650 cm.The potential difference between the ends of the wire is 60.0 V.(a) 3.18×10-6 A/m?(b) 1.13x10° A(c) 11.3×10° A/m²(d) 1.13×10° A/m?

Answered: etermine the current density in an alum…

etermine the current density in an alum The potential difference between the end (a) 3.18x10-6 A/m? (b) 1.13×10° A (c) 11.3×10° A/m² (d) 1.13×10° A/m²

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A wire is 0.81 m long and 0.88 mm² in cross-sectional area. It carries a current of 5.5 A when a 2.6 V potential difference is applied between its ends. Calculate the conductivity of the material of which this wire is made. Number i Units
2 What is the SI unit of resistance? A Ω V F In solid metals, which charged particles are free to move throughout the object? Select any/all correct answers. protons neutrons electrons 4 Which factor(s) affect the current in a conductor? Select any/all correct answers. cross-section area density of the charged particles drift speed of the charged partiçles
#18 has a diameter of 1.2 x 10-3 m; and #22 has a diameter of 6.4 x 10-4 m. The resistivity of iron is 9.7 x 10-8.m; and for copper is 1.72 x 10-8Q. m. According to the table below, If connected to the same battery, which wire will carry the lowest current? Wire Material Length Gauge A iron 2.0 m #22 copper 2.0 m #22 C copper 2.0 m #18 D copper 1.0 m #18 E iron 2.0 m #18 O A O E
Kate has an iron wire connected across the terminals of a battery. When her circuit is at 20 degrees celcius , a current of 9.2 mA flows through her wire. When the circuit is placed somewhere else the current becomes 8mA. If the iron has a temp coefficient of resistivity of 5x10^-3(degrees celcius)^-1 , the temp of the new environment in degrees celcius is? a. -46 b. -6.1 c. 10 d. 30 e. 50
Number 2. Show the step please.
QUESTION 7 A copper wire has a circular cross section with a diameter of 8.11 mm. If the wire carries a current of 1.45 A, find the drift speed (in m/s) of electrons in the wire. (Take the density of mobile charge carriers in copper to be n = 1.10 × 1029 electrons/m³ and charge of electron to be q = 1.61 × 10-19 X C). Area of a circle = pir^2 Submit your answer in exponential form with two decimal places. You are required to show your work in the file you submit.