Решение задачи по физике раздел 32 пункт 19 электро

19. The circuit consisting of the EMF source and resistor R = 10 ohms include voltmeter first parallel and then in series to the resistor and the voltmeter are identical. Determine the internal resistance r source of EMF, if the resistance of the voltmeter RV = 500 Ohm.

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