Electric furnace must evaporate for 5 minutes 1 liter

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Uploaded: 02.05.2016
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Description

Electric furnace must evaporate for 5 minutes 1 liter of water taken at 20 ° C. What should be the length of nichrome wire with cross section of 0.5 mm ^ 2, if the oven is operating under the voltage of 120V and its efficiency of 80%?

Additional information

Task 31509. Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
If you have any questions about the decision to write. I try to help.

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