The filament in an incandescent light bulb is a resistor that has a resistance of (9.5 Omega)
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The filament in an incandescent light bulb is a resistor that has a resistance of \(9.5 \Omega\) at room temperature. By what factor does the resistance increase when a \(100-\mathrm{W}\) bulb connected to a \(120-\mathrm{V}\) power source is turned on and heats up?
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