Control Of Joule Heating Effect In Tungsten Wire.

Althalu5
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How can I accurately control the Joule Heating effect of a length of Tungsten wire to certain temperature ranges? The tolerance would have to be no more than a maximum of +/- 2°C.

Would I require alternating or direct current and/or any other associated instrumentation?

I have little or no background in physics but I cannot seem to find the answer anywhere.

Any help would be most appreciated.
 
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Do you have anything that controls the amount of current/voltage across the wire?
 

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