Special resistor materials: lead, Physics

Assignment Help:

Lead:

Atomic number

82

Symbol

Pb

Atomic weight

207.2

Discovery

Known since prehistoric time

Electronic configuration

6p2

Properties:

1.      It is a heavy, soft and malleable metal with blue gray colour.

2.      It shows a metallic luster when freshly cut but it gets oxidized soon.

3.      It can be easily rolled into sheets and pipes or can be extruded to form pipes but cannot be cut into fine wires.

4.      It is corrosion resistant.

Uses: Lead is used of the manufacturing of plates of storage batteries. It is used in covering electric cables. It is used as lead accumulators. Tin lead-alloy is used for soldering wires.

 

 


Related Discussions:- Special resistor materials: lead

Conductivity of extrinsic semiconductor with temperature, The conductivity ...

The conductivity of an extrinsic semiconductor (A) Decreases with temperature. (B) Increases with temperature. (C) Remains constant with temperature. (D) Decrea

Poisson spot, Poisson spot (S.D. Poisson) Originally Poisson predicted...

Poisson spot (S.D. Poisson) Originally Poisson predicted the existence of such spot, and utilized the prediction to revel how the wave theory of light have to be in error to g

Electrons in silicon, At 200.0 K, silicon has 3.79 x 10 -18 free electrons...

At 200.0 K, silicon has 3.79 x 10 -18 free electrons per atom. How many free electrons/cm 3 are there in silicon at this temperature?

What are the safety terms to be inspected on battery, What are the safety t...

What are the safety terms to be inspected on battery? Ans: Safety terms to be checked on battery are full complements of battery box fixing bolts and its tightness, observat

Experiment vector and addition, how would the results change if the angle o...

how would the results change if the angle of the third load in second experiment increased ? state the differences

Define wave, A wave is a disturbance which transmits power and momentum fro...

A wave is a disturbance which transmits power and momentum from one place to the other without the transport of matter.

Law of motion, who present first three laws of motions

who present first three laws of motions

Peltier effect and joules law of heating, Q. Give any two differences among...

Q. Give any two differences among Peltier effect and Joule's law of heating. Joule's law of heating Peltier effect Takes place all th

Explain the terms magnetic dip and magnetic declination, Explain the terms ...

Explain the terms 'Magnetic Dip' and 'Magnetic Declination' with the help of relevant diagrams.

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