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If we need to maintain the wire at a temperature of 250oc

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A tungsten wire (0.005mm in dia and 2 mm in length) is placed horizontal in stagnant air. If we need to maintain the wire at a temperature of 250oC, what should be the rate of electrical heating (in Watts) that should be applied to the wire so that its temperature can be maintained?

Reference no: EM13618610

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