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

Define the working of the television, Define the Working of The Television ...

Define the Working of The Television This leads to a technology that works to create the picture every time you turn on your television or your computer monitor. This same techno

Lights wave, composition of two simple harmonic vibrations acting at right ...

composition of two simple harmonic vibrations acting at right angles

What is nuclear fusion, In nuclear fusion two or more than two lighter nucl...

In nuclear fusion two or more than two lighter nuclei join to form a single heavy nucleus. The volume of one molecule so formed is less than the sum of the masses of parent nuclei.

Electrostatics, is the potential in the cavity of a charged conductor zero

is the potential in the cavity of a charged conductor zero

How does colors change works in glass segments, How does a color changes wo...

How does a color changes works in glass, glass segments or a polymer material? This consists usually of a small, geared motor with a disc. It can be made of glass, a polymer ma

Thomson''s effect, a) Thomson's heat is proportional to the current passing...

a) Thomson's heat is proportional to the current passing by the conductor. b) This effect is produced when parts of similar conductor are kept at dissimilar temperature. c) I

Define the intensity of the laser in short, Define the Intensity of the las...

Define the Intensity of the laser in short. Intensity: a. Lasers are intense and bright light sources. It is due to coherence and directionality. b. The  intensity  is  e

Explain coherence, Define coherence and explain temporal and spatial cohere...

Define coherence and explain temporal and spatial coherence. Show that visibility is a maxim of coherence. Define the 'Q' factor for a spectral line. Explain coherence length and c

Prof, quality standards and expectations for bathymetric survey

quality standards and expectations for bathymetric survey

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