Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Platinum:
Atomic number
78
Symbol
pt
Atomic weight
195.09
Discovery
Olloa 1735
Electronic configuration
5d9
Melting point
17750C
Electrical resistivity
10.9*10-8 ohm-m.
Properties:
1. It is a white greyish metal.
2. It has a good tensile strength.
3. It is one of the most stable metals under combined action of corrosion and electrical erosion.
4. It does not corrode under most adverse atmospheric condition.
5. It can be easily drawn into wires.
Uses: Platinum finds application as a heating element in laboratory ovens and furnaces. Platinum-rhodium thermocouple is used for measurement of temperatures up to 16000C. It is also used as electrical contact material and as material for grids in special purpose vacuum tubes.
How is transmitter used in fibre optic communication system? Transmitter: This consists of analog to digital interface (driver). There, the input signal is converted within
a car has a mass of 34.01 kg. The race lasts 30 seconds. you think if the car attains an acceleration of .55 m/s^2 to attain a final velocity of 16.54m/s it will win the race. what
Ampere's law, modified form: The line integral of the magnetic field about a closed curve is proportional to the total of two terms: first one, the algebraic total of electric
A person attempts to calculate the gravitational constant G by suspending two 100.0kg spherical masses from a high ceiling in a shopping mall and calculating the deflection of the
1. Brief definitions of the study design, sampling strategy, and outcome variable(s) Study design: cross sectional study is carried out at just one point in time or over a sho
Majority and minority charge carriers A pure semiconductor has equal number of holes and electrons. But an extrinsic semiconductor has majority charge carriers. When a tri
Can you please give me feedback on my physics assignment.
MANUFACTURING: The resistance element is used as a wire, made from special alloys, which have small low temperature coefficient and good stability against environmental c
Two boys A and B are at two diametrically opposite points on a circle. At one instant the two start running on the circle; A anticlockwise with constant speed v and B clockwise wit
what are the advantages of surface tension
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd