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Q.

Is it true that the coil of the electric toaster and electric irons are made of an alloy rather than a pure metal?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
An electric toaster and iron coils are manufactured of an alloy rather than a pure metal for the following reasons:
An alloy's resistivity is greater than that of pure metal.
The alloys do not oxidise at high temperatures.
Alloy is difficult to melt and distort.
Alloys have a high coefficient of resistance at low temperatures.
As a result, heating coils in products such as electric toasters and irons are built of an alloy rather than a pure metal.
  
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