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The resistances of a wire at temperature...

The resistances of a wire at temperatures `t^(@)C` and `0^(@)C` are releated by

A

`R_(t) = R_(0) (1+alphat)`

B

`R_(t) = R_(0) (1-alphat)`

C

`R_(t) = R_(0)^(2)(1+alphat)`

D

`R_(t) = R_(0)^(2) (1-alphat)`

Text Solution

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The correct Answer is:
A
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