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, Ask A rugby player passes the ball 9.75 m across the fie...

Ask A rugby player passes the ball 9.75 m across the field, where it is caught at the same height as it left his hand. At what angle was the ball thrown if its initial speed was 12

Snell''s law, explain one page for snell''s law?

explain one page for snell''s law?

Spinning charges and an inhomogeneous magnetic field 2, Spinning Charges an...

Spinning Charges and an Inhomogeneous Magnetic Field 2 A spinning charged object passes by an array of 3 magnets every generating an inhomogeneous magnetic field. This animati

Circular motion, what happens to a conical pendulum when the bob splits int...

what happens to a conical pendulum when the bob splits into two parts such that one part remains attached to the string?

What is hologram, What is hologram? Holography When an entity ...

What is hologram? Holography When an entity is photographed by a camera a two dimensional image of three dimensional objects is obtained. A three dimensional image of

Explain electromagnetic waves transverse, Using the Maxwell's equation expl...

Using the Maxwell's equation explain that electromagnetic waves transverse in nature.

Gravitety, why fall an apple from a tree

why fall an apple from a tree

Find the effective current flowing through the circuit, Q. A capacitor of c...

Q. A capacitor of capacitance 2 μF is in an ac circuit of frequency 1000 Hz. If the rms value of the applied emf is 10 V, find the effective current flowing through the circuit.

Experiment of a test tube holder, A test tube holder An appropriate tes...

A test tube holder An appropriate test tube holder can be made by bending strong spring wire made of iron or brass into the shape shown in the diagram. Wire from a coat hanger

Concept of Speed, KINEMATICS I 1.   x(t) is called displacement and i...

KINEMATICS I 1.   x(t) is called displacement and it denotes the position of the body at a particular time. If the displacement is positive then that body is to the right of

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