the current and magnetic field of a supermagnet is the amount needed to keep the supermagnet. refrigerated to a few degrees above absolute zero. In contrast the copper windings of a. conventional electromagnet present a resistance to the flow of electric current. The power needed. to counter that resistance greatly exceeds the power required to refrigerate a supermagnet. Without supermagnets MRI imaging would be an order of magnitude more expensive.
Capital expenditure, or CapEx, are funds used by a company to acquire or upgrade physical assets such as property, industrial buildings or equipment. It is often used to undertake new projects or investments by the firm.
Centrex (central office exchange service) is a service from local telephone companies in the United States in which up-to-date phone facilities at the phone company's central (local) office are offered to business users so that they don't need to purchase their own facilities.