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****Show all forces, motion/free-body diagrams, calculations, equations, significant figures and work. **** A common flashlight bulb is rated at 0.40 A and 2.7 V (the

****Show all forces, motion/free-body diagrams, calculations, equations, significant figures and work. ****

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A common flashlight bulb is rated at 0.40 A and 2.7 V (the values of the current and voltage under operating conditions). If the resistance of the bulb filament at room temperature (20 C) is 1.5 0, what is the temperature of the filament when the bulb is on? The temperature coefficient of resistivity is 6.1 x 10-3 K- for the filament material

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