3. What is electric resistance? How is it used in an electric bulb? 4. What are conductors? How are they useful in an electric circuit?
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Electricity flows through a thin tungsten wire in the light bulb called the filament. The filament used in a bulb has a property called "resistance." Resistance is the amount of friction that an object will put against electricity flowing through it. A filament has a lot of resistance to electricity.
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