CBSE Class 12-science Answered
The resistance of a tungsten filament at 200oCis 160 ohm. What will be its resistance at 400o C? The temperature coefficient of resistance of tungsten is 0.0045oC-1.
Asked by Topperlearning User | 27 Apr, 2015, 03:25: PM
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Answered by | 27 Apr, 2015, 05:25: PM
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