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A tungsten filament at 20C has a resistance of 0.350. a) We use the light bulb made of tungsten filament as in most households.

A tungsten filament at 20C has a resistance of 0.350. a) We use the light bulb made of tungsten filament as in most households. b) If the light bulb made of tungsten filament is connected 3.0 V battery what will be the current in the filament. c) What would the resistance be for the tungsten filament if the temperature is increased to 2850C? d) what can you conclude the current in tungsten filament as its temperature increases?

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