Determine what is the new resistance of the wire

Assignment Help Physics
Reference no: EM13340348

A wire of initial length L0 and radius r0 has a measured resistance of 2.0 . The wire is drawn under tensile stress to a new uniform radius of r = 0.45r0. What is the new resistance of the wire?

Reference no: EM13340348

Questions Cloud

Determine how far does the obect compress the spring : A 1.50 kg object is held 1.20m above a relaxed massless, vertical spring with a force constant of 320 N/m. The object is dropped onto the spring.
Effects of an apology on peoples tendency to retaliate : Marg Darnelle wanted to learn about the effects of an apology on people’s tendency to retaliate. She designed an experiment in which the computer “broke” and the experimenter rudely blamed the participant. In half of the conditions, the experimenter ..
Calculate the force on the board at each of the supports : a 70kg person stands on a diving board 4m long. the boards mass is 25kg and is bolted to two supports. calculate the force on the board at each of the supports
Explain the main limitations of historic cost accounting : 'Commentators on financial reporting practices argue that financial statements produced under the historic cost convention do not provide relevant information to users of those statements in times of rising prices.'
Determine what is the new resistance of the wire : A wire of initial length L0 and radius r0 has a measured resistance of 2.0 . The wire is drawn under tensile stress to a new uniform radius of r = 0.45r0. What is the new resistance of the wire
Why the project will to take a long time to complete : Discuss the reasons why the FASB and the IASB are seeking to converge and improve their respective conceptual frameworks and why the project will to take a long time to complete.
Determine what is the width of the slit : he diffraction pattern is viewed on a screen 55.5 cm from the slit. The distance on the screen between the third order minimum and the central maximum is 1.91 cm. What is the width of the slit
What should the flow speed : If the filter should process all the water in the tank once every 3.0 h, what should the flow speed be in the 3.0-cm-diameter input tube for the filter
Find the electrostatic potential energy of the system : Three point charges are on the x axis: q1 is at the origin, q2 is at x = 4.91 m, and q3 is at x = 6.21 m. Find the electrostatic potential energy of this system of charges if q1 = q2 = q3 = 1.55 C.

Reviews

Write a Review

Physics Questions & Answers

  Calculate amount of energy saved if all bulbs are replaced

Calculate the amount of energy saved if all bulbs are replaced by CFL (spiral) bulbs (P=25W). Calculate the amount of natural gas (ft3) needed to provide the energy to keep the lights (long + regular) in the E391 lab

  Describe the kirchoffs rule

In the figure, two ideal solenoids link the circuit, with the solenoids' magnetic fields directed as shown. Use Kirchoff's rules to find the current in each resistor

  Find the speed of a particle on the stars equator

When a large star becomes a supernova, its core may be compressed so tightly that it becomes a neutron star, what is the speed of a particle (in km/s) on the star's equator

  What is the angle of the remaining piece

A missile is shot straight up into the air. At the peak of its trajectory, it breaks up into three pieces of equal mass, What is the angle of the remaining piece

  How many turns must there be in the high voltage end

A long distance power line is to carry 175 megawatts (1.25x10^8W) of alternating current power at distance of 15.0km at a peak voltage of 1.00MV and a frequency of 60Hz.

  Explain the induced emf

What is the induced EMF when the south pole end of magnet moves closer to the plane of the coil? When the magnet is stationary what happens to the induced voltage

  What is the minimum thickness of the film

What is the minimum thickness of the film. what is the magnitude of the average acceleration of the ball through out this time interval.

  What is the speed of the heavier puck

A 0.420 kg ice puck, moving east with a speed of 3.12 m/s, has a head-on collision with a 0.890 kg puck initially at rest. Assuming a perfectly elastic collision, What is the speed of the heavier puck

  What is an index of refraction of the glass

A little cat, Bella, walks in a straight line, which we shall call the x axis, with positive direction to the right. As an observant scientist, you make measurements of her motion and construct a graph of the little feline's velocity as a function..

  What is the tension in the left side string

A 20.0-kg mass is supported by two strings. The left string is 2.00 m long and the right string is 5.00 m long. What is the tension in the left side string

  What is the bullets speed as it left the barrel

The potential at the center of a uniformly charged ring is 52 kV, and 15 cm together the ring axis the potential is 41 kV. Find the ring's radius and its total charge.

  What is the cars speed at the bottom of the dip

In a nuclear experiment a proton with kinetic energy 1.5 MeV moves in a circular path in a uniform magnetic field. What energy (in MeV) must (a) an alpha particle (q = +2e, m = 4.0 u) and (b) a deuteron (q = +e, m = 2.0 u) have if they are to circ..

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