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

What is free fall acceleration, What is free fall acceleration? On eart...

What is free fall acceleration? On earth free fall acceleration is 9.81 meters per second per second or 32.2 feet per second per second, not containing air resistance. Aroun

Displacement and distance, Displacement and Distance A simple animation...

Displacement and Distance A simple animation showing the difference among the distance and the displacement Distance and displacement are two quantities which may seem to mean

Non-horizontally launched projectiles, Non-Horizontally Launched Projectile...

Non-Horizontally Launched Projectiles Assume a cannonball being launched at an angle from cannon atop an extremely high cliff. Suppose as well in which the cannonball does not

Determine the efficiency of a carnot engine, Determine the efficiency of a ...

Determine the efficiency of a Carnot engine operating reversibly between 40°C to 20°C. Can you explain thermodynamic process? Give a brief account of any two such processes.

Assembling three charged particles, How much work has to be completed in as...

How much work has to be completed in assembling three charged particles q1= 2 micro coulomb, q2= 3 micro coulomb and q3= 4 micro coulomb at the vertices of a equilateral triangle o

Compute the de broglie wavelength of electron, Q. The kinetic energy of an ...

Q. The kinetic energy of an electron 120 eV. Compute the de Broglie wavelength of electron. λ = h / √2mE λ = 6.626 X 10 -34 / √ 2 X 9.1 X 10 -31 X 120 X 1.6 X 10 -19

Determine the angle of the prism, A ray of light travelling in air is incid...

A ray of light travelling in air is incident on a prism and passes through it with a speed of 2X10 8 ms -1 parallel to its base. If the angle of refraction is similar to half of

Specific heat, why specific heat is different at different temperature?

why specific heat is different at different temperature?

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