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Which of the following has negative temperature coefficient of resistance |
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a) |
Copper |
b) |
Aluminium |
c) |
Iron |
d) |
Germanium |
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Which of the following has negative temperature coefficient of resistance |
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|
a) |
Copper |
b) |
Aluminium |
c) |
Iron |
d) |
Germanium |
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(d) Temperature co-efficient of semiconductor is negative |