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Electrical resistivities of same substan...

Electrical resistivities of same substances, at `20^@ C` are given as follows:

Nichrome is used in the heating elements of electric heating device because:

A

It has high resistivity

B

It does not oxidise readily at higfh temperature

C

Both of the above

D

None of the above

Text Solution

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The correct Answer is:
C
Nichrome as it has very high resistivity / as it is an alloy, it does not oxidize readily at high temperature.
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