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The core consists of two parts: the inner core and outer core. The outer core begins about 2,900 kilometers below the earth's surface. Scientists believe that the outer core is about 2,250 kilometers thick and is made of melted iron and nickel. The ..

The heat released during the fission reaction is carried away by liquid sodium or heavy water. The coolant enters from the base of the reactor core and leaves at the top. The heat carried away by the coolant is used for producing steam and the coolant is pumped back into the re..

To carry away the heat produced during fission, a liquid is circulated in the reactor core. This liquid enters the base of the reactor core and leaves at the top. The heat carried by the outgoing liquid is used for producing steam. The liquid cools down and is recycle..

>The number of turns - larger the number of turns, greater is the magnetism produced The strength of the current - when current increases, magnetism also increases Nature of 'core-material' used in making the solenoid - if we use soft-iron as a core for the s..

An equipment in which the nuclear chain reaction is carried out in a controlled manner is called a nuclear reactor. The energy liberated in a controlled manner is used to produce steam, which can run turbines and produce electricity. In nuclear reactors, the nuclear fission is controlled ..

. Overheating of the core containing the nuclear fuel could result in the release of wastes into the air. However, many mechanical safeguards are used to prevent over heati..

Use the rough workspace to plan out your message or note. Remember it has to be written within the stipulated word limit. First note down all the important details that need to be included. Then write out the note. Count the number of words. If it exceeds the word limit, cut it do..

'Geo' means earth and 'thermal' means heat. Thus geothermal energy is that heat energy obtained from hot rocks present inside the earth. This heat can be used as a source of energy to produce electricity. You know that the innermost layer of the earth is called the core. Above ..

An optical fiber is a dielectric wave guide that transports light signals from one place to another just as a twisted-wire pair or a coaxial cable transports electrical signals. It consists of a central core within which the propagating electromagnetic field is confined and which is surro..

. The earth's earliest atmosphere may have contained hydrogen, helium, methane and ammonia, similar to the present atmosphere of Jupiter. Or it may have contained a large amount of carbon dioxide, as does the atmosphere of Venus. The earth's earliest atmosphere probably did not contain much free ox..