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Why are the heating elements of electric toasters and electric irons made of an alloy rather than a pure metal ?
Answer:
The resistivity of alloys is much more than the resistivity of pure metals.
Hence, the resistance produced by alloys is higher than that produced by its constituent metals
Also, Alloys do not burn readily even at high temperatures.
For this reason, they are used in electrical heating devices like electric toasters and electric irons.
