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Lag1989 problem number 15.8
The resistance of the light bulb (120 V, 100 W) in the heated state is greater than 10 times in the cold state. Find its resistance in the cold state and temperature coefficient of resistance α, if the filament temperature of the filament is t = 2000 ° C.
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Discount for regular customers! If the total of your purchases from the seller
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