98. An element with EMF ε = 2,1 V and an internal

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98. An element with EMF ε = 2,1 V and an internal resistance r = 0,2 Ohm iron wire connected to the segment. Determine the strength of the current in the circuit and the resistance of the wire, if the voltage at the terminals of the element U = 2 V. How long we must take for the manufacture of resistance wire, if the area of its cross-section S = 0,75 mm2?

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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