PhysicsState whether the given statement is true or false.Coils of electric toasters and electric irons made of an alloy rather than a pure metal.

State whether the given statement is true or false.


Coils of electric toasters and electric irons made of an alloy rather than a pure metal.


  1. A
    True
  2. B
    False 

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    Solution:

    The given statement is  true.
    Concept- Understand the definitions of alloy and pure metal as well as how they differ before
    responding to the question. Then look at how alloys have an edge over pure metals in terms
    of increasing the effectiveness of electric toasters and electric irons. Use these ideas to
    respond to the prompt.
    We are asked why alloy, rather than pure metal, is utilised to create the coils of electric
    toasters and electric irons. Explain first what an alloy is, what pure metals are, and how they
    vary. An alloy is composed of two or more elements, at least one of which is metal and the
    remaining components can either be metals or nonmetals. Pure metal is made up of just one
    element.
    Due to a few benefits that alloys have over pure metal, such as the following, the coils of
    electric toasters and electric irons are composed of an alloy rather than the latter. Because
    alloys are composed of two or more elements and the ions are randomly distributed, the mean
    the free path of the electrons in an alloy is longer than that of a pure metal. This causes alloys to
    exhibit higher resistivity than pure metals. As a result, alloys have greater resistivity than
    pure metals.
    -Alloys are favoured over pure metals because they do not melt readily at high temperatures.
    – Alloys are more durable than pure metals.
    -Alloys possess greater tensile strength than their component parts.
    Pure metal's colour may be changed by combining it with other metals or non-metals to
    create an alloy.
    -Alloys are more corrosion-resistant than pure metals.
    Hence, the given statement is true.
     
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