What lamps rated at 300 W, intended for

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Uploaded: 08.03.2014
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Description

How many lamps rated at 300 watts, designed for 110 V, can be installed in parallel in a building, if the wiring is made of copper wire line length of 100 m and a cross section 9 mm ^ 2, and the voltage in the line is equal to 122?

Additional information

Task 30212. 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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