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What will be the graph of resistance of a filament (in a lamp) against temprature. In particular, what happens to the resistance of the filament (in a lamp) if i increase its temprature ?

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- Thread starter hms.tech
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What will be the graph of resistance of a filament (in a lamp) against temprature. In particular, what happens to the resistance of the filament (in a lamp) if i increase its temprature ?

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berkeman

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What will be the graph of resistance of a filament (in a lamp) against temprature. In particular, what happens to the resistance of the filament (in a lamp) if i increase its temprature ?

There is an equation that relates resistance and temperature -- try looking up "resistivity" on wikipedia, or you can google resistance versus temperature.

Can you show us the equation?

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