If the 0.150 mm diameter tungsten filament in a light bulb is to have a resistance of 0.300 omegacap.gif at 20.0A?°C, how long should it be?
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If the 0.150 mm diameter tungsten filament in a light bulb is to have a resistance of 0.300 omegacap.gif at 20.0A?°C, how long should it be?
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