Answer: According to Columb’s law, Electrical forces between charges depend upon Product of Magnitude of charges, distance between charges and permitivity of the medium where charges locate. How does force depend on intervening medium? The Coulomb Force between two charges decreases when a dielectric medium is placed in between theRead More →

If you get to this point and you realize you’ve undercooked your potatoes, just add a little bit of milk or cream and cook the potatoes over a low heat until the lumps begin to soften. Next time, make sure you cook the potatoes fully by inserting a fork intoRead More →

In metallurgy, quenching is most commonly used to harden steel by inducing a martensite transformation, where the steel must be rapidly cooled through its eutectoid point, the temperature at which austenite becomes unstable. … This allows quenching to start at a lower temperature, making the process much easier. What effectRead More →

A medium of exchange is money or any other agreed upon item used in the sale of goods and services. … Early in the history of the United States, banks and not the government issued paper money, and there were endless disagreements over whether one bank’s notes would be acceptedRead More →