What is the resistance of the wire

Assignment Help Physics
Reference no: EM132521432

A copper wire of cross sectional area A=1.7 mm2 and Lenght L=1 m carries a current of I=6.4 A at the temperature of T1= 20 0C.

a) How many electrons pass through a cross section of the wire in each second?

b) What is the resistance of the wire?

c) What is the potential difference between the ends of the wire?

d) What is the resistance of the wire at the temperature of T2= 100 0C? (r=1.7x10-8 W.m, a=7x10-3 0C-1)

Reference no: EM132521432

Questions Cloud

Estimate the average force on the jet due to the catapult : You are watching a television show about Navy pilots. The narrator says that when a Navy jet takes off, it accelerates because the engines are at full throttle
What was germosen fixed manufacturing overhead volume : What was Germosen's fixed manufacturing overhead volume variance for the year? Inc. uses a standard cost system with direct labor hours
Hypothetical alien planet with both a gravitational field : This problem involves a hypothetical alien planet with both a gravitational field and an electric field. Long, long ago on a planet far, far away, a physics
How many jars of silver polish must be sold each month : How many jars of silver polish must be sold each month to exactly offset the avoidable fixed costs incurred to produce and sell the polish?
What is the resistance of the wire : A copper wire of cross sectional area A=1.7 mm2 and Lenght L=1 m carries a current of I=6.4 A at the temperature of T1= 20 0C.
Oscillate with a small amplitude : A pendulum with a length of L = (0.712 ± 0.002) m is set to oscillate with a small amplitude. The time of 20 periods is measured as (34.05 ± 0.13) s.
What does the modern cryptography look like today : Discuss with examples the history of Cryptography? What does the modern Cryptography look like today compare to the old fashion Cryptography?
Compute the change in magnetic ?ux through the coil : A square coil of side-length 5 cm and with 100 winding is at rest within a uniform magnetic ?eld of magnitude 0.6 T and directed perpendicular to the area
Make cost of quality report for april for wjs : Make cost of quality report for April for WJS. The report should list all cost items categorized by type of quality cost, including percentages

Reviews

Write a Review

Physics Questions & Answers

  A pair of eyeglass frames are made of an epoxy plastic

a pair of eyeglass frames are made of an epoxy plastic coefficient of linear expansion 1.30 10-4degc-1. at room

  Snells lam of refraction by tracing the direction

Verify Snell's Lam of refraction by tracing and measuring the direction of refracted light rays through a change in medium. If we replaced the water dish with a solid glass disk of the same shape, explain how your data would be different

  How far are the runners from the flagpole

what will be the height h of the highest point reached by the skateboarder on the right side of the ramp.

  Calculate the binding energy of the nitrogen nucleus

Write down the equation for this process, and using values for the binding energy of the hydrogen and carbon-12 nuclei of 0 MeV and -92.2 MeV respectively, calculate the binding energy of the nitrogen nucleus.

  Find the maximum kinetic energy for the scattered electron

A photon with a wavelength 4.10 pm scatters from an electron initially at rest. Find the maximum kinetic energy for the scattered electron

  How many moles of gas leaked

A gas cylinder of volume 26 liters contains an ideal gas at temperature 27 degrees C and pressure 1920 kPa. How many moles of gas leaked

  What are moderators and control rods in a nuclear reactor

What are moderators and control rods in a nuclear reactor? What are there uses

  Obtain the final equilibrium temperature of lead and water

A 234.0 g piece of lead is heated to 86.0oC and then dropped into a calorimeter containing 611.0 g of water that initally is at 24.0oC. find the final equilibrium temperature (in oC) of the lead and water

  Computational biophysics and nanoscale simulations

Write the formula of the root-mean-square deviation (RMSD) between two molecular structures - Computational Biophysics and Nanoscale Simulations

  What is the dose equivalent

Two freight cars, each with a mass of 2.9 x 10^5 kg, collide and stick together. One was initially moving at 2.80 m/s and the other was at rest. What is the final speed.

  Particular station frequency by adjusting capacitance

A radio can be tuned into a particular station frequency by adjusting the capacitance in an L-C circuit.

  Nuclear plant - chernobyl disaster formula use in nuclear

formula use in nuclear plant? what can i talk about with nuclear plant. i am doing a report about chernobyl disaster

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd