Special resistor materials: constantan, Physics

Assignment Help:

Constantan: Constantan is a copper-nickel alloy. The amount of nickel in constantan is 40%.

Properties:

1.      It is silver like appearance.

2.      Its electrical resistivity is 5.2*10-8 ohm-m.

3.      Its SPECIFIC gravity is 8.9.

4.      Its melts at 1300 degree c.

5.      The maximum permissible working temperature is about 500 degree c.

6.      It can be drawn into thin wires.

7.      It is highly corrosion resistant.

USES: It is used for making resistance elements for items like loading rheostats and starters for electric motors. It is also used in thermocouples.

 

 


Related Discussions:- Special resistor materials: constantan

Projectile motion, in some case we take y=-g but in some case we take y=g.....

in some case we take y=-g but in some case we take y=g... why???

Electricmotor, im trying to build an electric motor and would like to know ...

im trying to build an electric motor and would like to know y they wind there copper wire in what paturn to make power and secondly what is the output per gram of copper in these t

Motion WS, a rocket is launched upward from a building that is 29m above th...

a rocket is launched upward from a building that is 29m above the ground. the rocket was launched (upward) at 18m/s, what was the time to reach the ground below the building?

Preliminary process flow diagram-thermo, Task description You are taske...

Task description You are tasked with completing the preliminary design of a plant for the production of dimethyl ether from methanol. This task involves a complete material and

Explain antenna, Explain Antenna. Write a short note or Antenna. Name two p...

Explain Antenna. Write a short note or Antenna. Name two parts of antenna.

Explain prism, Prism: A transparent refractive device having of three r...

Prism: A transparent refractive device having of three rectangular and two refractive surfaces is known as prism. N = Sin (A + Dm) /2               Sin A/2 Where a is

Poisson equation, Poisson equation (S.D. Poisson) It is the differentia...

Poisson equation (S.D. Poisson) It is the differential form of Gauss' law, such as, div E = rho,

What value must you use for the focal length f of the lens, Presume that yo...

Presume that you are asked to find the image position in a problem involving a lens. You are specified the object position and you are told that the lens is a concave lens whose fo

Write Your Message!

Captcha
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