The temperature coefficient of resistant...

The temperature coefficient of resistant of wire is `12.5 xx 10^(-4) // C^(@)`. At `300 K` the resistance of the wire is `1 ohm`. The temperature at which resistance will be `2 ohm` is

A

`1154 K`

B

`1100 K`

C

`1400 K`

D

`1127 K`

Text Solution

Verified by Experts

The correct Answer is:

C

`alpha = (R_(2) - R_(1))/(R_(1)t_(2) - R_(2)t_(1))`

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