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84. The film projection lamp, rated at 110 V and current 3 A is connected to a network with a voltage of 127 V through a resistor. To determine the resistance of the rheostat, if it is known that the voltage drop in the conductive copper wire is 2% of the voltage at cross-section of 1.8 mm2? Rheostat inserted fully.
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- Content type File
- Content description 25 kB
- Added to the site 28.03.2014
Additional description
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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