Effect of temperature on resistivity of conducting materials, Electrical Engineering

Assignment Help:

Explain the effect of temperature on the resistivity of conducting materials.

The resistance of most metals rises with rise of temperature whereas that of semiconductors and electrolytes reduces along with increase of temperature. Various metals have vanishing resistivity at absolute zero of temperature. This phenomenon is termed as superconductivity. The resistance of a conductor changes along with temperature according to the law Rt = RO (1 + α t). Here Rt and RO are the resistances at "t" and zero degrees centigrade and α the temperature coefficient of resistance.


Related Discussions:- Effect of temperature on resistivity of conducting materials

Meters and measurements, The subject of electrical measurements is such a l...

The subject of electrical measurements is such a large one that entire books have been written on the topic. Only a few basic principles will be introduced here. Practical measurem

Discuss important properties and uses of rubber, Discuss important properti...

Discuss important properties and uses of Rubber. Rubber: It is polymeric material along with high elastic yield strain. The various types of rubber materials are given as-

Parallel operation of interconnected synchronous generators, Parallel Opera...

Parallel Operation of Interconnected Synchronous Generators In order to assure continuity of the power supplywithin prescribed limits of frequency and voltage at all the load p

What is error-rate control, Q. What is error-rate control? A system is ...

Q. What is error-rate control? A system is said to possess error-rate damping when the generation of the output in some way depends upon the rate of change of the actuating sig

Coupling, different coupling methods

different coupling methods

Ratio, how do ratos connect to engineering

how do ratos connect to engineering

Cross section of nmos with channel formed: on state, Cross Section of NMOS ...

Cross Section of NMOS with Channel Formed: ON state A metal-oxide-semiconductor field-effect transistor (MOSFET) is based upon the modulation of charge concentration through a

Explain the working of a hartley oscillator, Q. With a neat circuit diagram...

Q. With a neat circuit diagram explain the working of a Hartley oscillator using an npn transistor and obtain the expression for oscillation frequency and for minimum gain for sust

Transfer characteristics of jfets, Q. Give the Shockley's equation for the ...

Q. Give the Shockley's equation for the transfer characteristics of JFET's? Where ID is the drain current and VGS is the voltage across gate and source. The squared term o

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