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

Daltons law of partial pressures, Dalton's law of partial pressures (J. Dal...

Dalton's law of partial pressures (J. Dalton) The overall pressure of a mixture of ideal gases is equivalent to the total of the partial pressures of its components; i.e., the

Newton''s 2nd Law of Motion, A rocket weighs 9800N. What applied force give...

A rocket weighs 9800N. What applied force gives it a vertical acceleration of 4m/sec/sec?

., 100 =6=4=9=7=9

100 =6=4=9=7=9

Advantages and disadvantages of three phase system, Advantages and disadvan...

Advantages and disadvantages of three phase system over single phase System A) In a single phase circuit the power delivered is pulsating. In three phase system the total power

Explain absorption spectrum, When white wave passes by a semi-transparent s...

When white wave passes by a semi-transparent solid, or liquid or gas, it's spectrum have certain dark lines or bands, such spectrum is known as absorption spectrum (of the substanc

Vector, If A=3i+j+3k, B=-2i-4j-3k and c=2i+4j+3k. Find a unit vector parall...

If A=3i+j+3k, B=-2i-4j-3k and c=2i+4j+3k. Find a unit vector parallel to 3A-2B+4C

Describe newton''s first law, Each object continues to be in its state of u...

Each object continues to be in its state of uniform motion or of rest in a straight line unless completed by some external force to perform otherwise. Newton's first law is real

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