Determine by what factor is its resistance changed

Assignment Help Physics
Reference no: EM13559952

A copper wire is stretched uniformly (maintaining constantdensity and resistivity) so that it is ten times its originallength (but of the same volume). by what factor is its resistance changed?

Reference no: EM13559952

Questions Cloud

Find the change inentropy of the universe for this process : A 70-kg log falls from a height of 25 m into a lake. If thelog, the lake, and the air are all at 300K, find the change inentropy of the Universe for this process
Find the horizontal recoil velocity of the canoe : A person stands in a stationary canoe and throws a 5.22 kgstone with a velocity of 8.20 m/s at an angle of 34.0 degrees above the horizontal. find the horizontal recoil velocity (magnitude and direction) of the canoe
Find out the empirical formula of a compound : Determine the empirical formula of a compound with the following composition by mass: 48% carbon 4% hydrogen 48% oxygen
Explain the concentrations of all the solute species : What are the concentrations of all the solute species in a 1.0 M solution of hydrogen peroxide, H2O2. For H2O2 , Ka= 1.8 x 10-12:[H+], [HO2-], [H2O2], and pH of solution.
Determine by what factor is its resistance changed : A copper wire is stretched uniformly (maintaining constantdensity and resistivity) so that it is ten times its originallength (but of the same volume). by what factor is its resistance changed
What message is the author trying to convey : Short essay question explaining Larsen's arguments and viewpoint in this story-What message is the author trying to convey?
What is the largest load of passangers : An elevator has a mass of 1200Kg and has cables which arerated at no more than 9.82 E+04 N of tension. What is the largest load of passangers, in Kg, that it can carry safely
Define the original temperature of the iron : A 460 g chunk of iron is removed from an oven and plunged into 370 g water in an insulated container. The temperature of the water increases from 25 degrees C to 86 degrees C. what must have been the original temperature of the iron
Example of the healing-killing reversal : How did many prisoner doctors try to follow their Hippocratic oath in the horrendous conditions of the concentration camps and why can only a relatively small number of prisoner doctors be described as collaborators?

Reviews

Write a Review

Physics Questions & Answers

  What is the minimum diameter necessary

A steel wire of length 1.97 with circular cross section must stretch no more than 0.260 when a tensile (stretching) force of 400 is applied to each end of the wire. What is the minimum diameter necessary.

  Obtain the radius of the circular path

An electron moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 2.02 mT. obtain the radius of the circular path

  What is the frictional force acting on disk

The disk would slide off the turntable if it is located at a radius larger than 16 cm from the axis of rotation. What is the coefficient of static friction.

  What is the maxium compresional force

the maxium compresional stress that a bone can with stand is 1.6 * 10^8 N/m^2 before it breaks.What is the maxium compresional force that can be applied to the femur bone

  Find how many photons are emitted per second by this laser

A helium-neon laser emits light of wavelength 632.8 nm and has a power output of 13 mW. How many photons are emitted per second by this laser

  Identify the tension in the upper chain

Assume the masses of the chains, pulleys, and ropes are negligible. Determine the force F required to lift the crate with constant speed. Identify the tension in the upper chain.

  How high above the ground was the package

A package is dropped out of a helicopter, which is moving upward at 10m/s at a constant rate. how high above the ground was the package when it was dropped

  What is the amplitude of the associated electric field

A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.30?T and a wavelength of 434nm is traveling in the +xdirection, What is the amplitude of the associated electric field

  How far does he slide

A 72-kg base runner begins his slide into second base when he is moving at a speed of 3.9 m/s. How far does he slide

  Determine the magnetic field strength at the axis of wire

carries a 10 A current with a uniform current density. Use Ampere's Law to determine the magnetic field strength at the axis of the wire

  What is the launch speed of a projectile

What is the launch speed of a projectile that rises vertically above the Earth to an altitude equal to 14 before coming to rest momentarily? answer in m/s.

  What is the holes new area

A flat copper sheet has a hole with area 0.265 m^2 at room temperature (25 degree C). If it's heated to 510 degree C, what's the hole's new area

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