Question

the resistance of wire is 5 ohm at 50 degree Celsius and 6 ohm at 100 degree Celsius The resistance of the wire at 0 degree Celsius will be​

Answer 1

Answer:

Here is the answer........

Answer 2

Answer:

4 ohm

Explanation:

Resistance of the wire must vary linearly with temperature.

Hence  

R=aT+b (let T be in degree scale)

Using R(50)=5.

R(100)=6

We get b = 4,

and a = 1/50

hence

R = T/50 + 4

Putting R(0) for resistance at 0°  we get R(0) = 4 ohm

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