The filament in a light bulb has a resistance of 10 if the


The filament in a light bulb has a resistance of 10?. If the filament has a cross sectional area of 3.0×10-6 m2 and the length of the filament is 5mm.

(i) Find the resistivity of the filament.

(ii) Find the power delivered by the above filament if it is connected to a 3V battery.

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Physics: The filament in a light bulb has a resistance of 10 if the
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