Task 31509.
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- Physics
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- 02.05.2016 15:58:47
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- Юрий Физик · about the seller and their products
DESCRIPTION
Task 31509.
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%?
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Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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