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

Einstein field equation, Einstein field equation The cornerstone of Ein...

Einstein field equation The cornerstone of Einstein's general theory of relativity, relating to the gravitational tensor G to the stress-energy tensor T through the simple equa

Production of electricity by pressure, Production of electricity by pressur...

Production of electricity by pressure: Certain crystals and semiconductors produce an emf between two opposite faces when the mechanical pressure on them is either increased or

What are the basic requirements of a laser, What are the basic requirements...

What are the basic requirements of a Laser? Basic requirement of a Laser are as follows: 1. Active Medium: Active basic medium is needed to start the laser action. There

Geometry, define hyperbola please

define hyperbola please

Making a jam jar aquarium, Making a jam jar aquarium If a large glass t...

Making a jam jar aquarium If a large glass tank is not available, practically any glass vessel can be used as a easy aquarium if it is well stocked with submerged water plants

Pressurized water reactor, Pressurized Water Reactor: A Pressurized Wa...

Pressurized Water Reactor: A Pressurized Water Reactor (PWR) in a power station has a negative temperature coefficient. After it has been operating for a long time at a partia

Working of functional units in ultrasonic pulse echo system, Explain about ...

Explain about the working of functional units in ultrasonic pulse echo system. The master timer by the electronic clock triggers the signal pulse generator at ordinary interval

Explain non-viscous flow, Viscosity in fluids is the analog of friction in ...

Viscosity in fluids is the analog of friction in solids. Both are methods by which the kinetic energy of moving bodies can be changed into thermal power. In the absence of friction

The Physical Pendulum, Derivation of Equation of the physical pendulum

Derivation of Equation of the physical pendulum

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