Task id17018
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Task id17018
Calculate the length of a nichrome spiral for an electric stove, on which 2 liters of water can be brought to a boil in 8 minutes. Initial water temperature 20 °C, neglect the heating of the kettle, installation efficiency 60%, wire diameter 0.8 mm, voltage 220 V, resistivity of nichrome 10-6 Ohm-m.
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Answer. Format gif
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