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Why does the the relative importance of the coulomb force compared to the strong nuclear force increase at large mass numbers?
Wiki User
∙ 12y ago
Because the effect of the strong nuclear force falls (SNF) off more steeply as a function of distance than does the electromagnetic (coulomb?) (EMF) force. The SNF is an attractive force, that tends to hold nuclei together, while the EMF is an attractive/repulsive force (depending on polarity of charge) that tends to blow nuclei (at least, protons) apart. In the short distances for small nuclei, the SNF wins, but, starting at atomic number 83, bismuth, the EMF starts to win based on distance, which is why all nuclides with atomic number greater the 82 (lead) are unstable (radioactive).
Not asked, but answered for completeness sake; even for smaller nuclei, such as carbon, the proton/neutron ratio can lead to an unstable, i.e. radioactive, configuration, based on the weak nuclear force, which also enters into the picture.
Wiki User
∙ 12y ago
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What is the SI unit for the electric charge?
The Coulomb. If 1 Coulomb is transmitted per second this is 1 Ampere
What if Coulomb's Force is gone?
If Coulomb's force is gone , the material structure of the Cosmos would be gone. Coulomb's force hold atoms together and molecules together and matter together.
What are the base units of charge?
The coulomb. It is the charge transported by 1 ampere of current in 1 second.
What is relation between CGS unit and SI unit of coulomb?
1 coulomb =3*10^9 statcoulomb
Why is coulomb SI unit of charge?
The coulomb is not a unit of current, it is a unit of charge. Current, known as amperes, is coulombs per second.
Why the Coulomb force as compared to strong neuclear force increase at large mass numbers?
That's because the strong nuclear force only acts at very short distances.
Does a voltage have one terminal?
No. Voltage is the potential difference in energy between two charges. (Volts is joules per coulomb.) Since it is potential, that means it is relative, and in order to be relative, there must be two terminals.
What is Charles coulomb famous for?
He was famous for coulomb's law
What did Charles coulomb discover and when?
Charles Augustin de coulomb discovered the coulomb's law in the 1780s. and limestone 1820
How did Coulomb discover Coulomb's law in the 1780's?
Coulomb discovered Coulomb's law in 1785 after a series of experiments relating to electromagnetism. He published the findings of his three reports in 1785.
No of electrons in one coulomb?
Approximately 6.25E18 electrons in a Coulomb.
What is the population of Saint-Coulomb?
Saint-Coulomb's population is 2,454.
What is the SI unit for the electric charge?
The Coulomb. If 1 Coulomb is transmitted per second this is 1 Ampere
What is bigger- a coulomb or charge on an electron?
One Coulomb is the charge of about 6,241,510,000,000,000,000 electrons, so it looks likea Coulomb would probably be bigger than the charge on one electron.
What is Charles Augustin de Coulomb know for?
charles de coulomb was known for the coulomb law.IN FRANCEIT IS A FUNDEMENTAL LAW OF ELETROSTATICS
How can you Derive relation between 1 coulomb stat coulomb?
1 coulomb= 3*109 statcoulomb
What is a Coulomb?
The coulomb is the SI unit of electrical charge. A coulomb, a unit of electrical charge, is defined as the amount of electric charge transported by a current of 1 ampere in 1 second. There are 6.241506×1018 electrons (or elementary charges) in a coulomb. A link is provided to the Wikipedia post on the coulomb.
