72. Find the ammeter in the circuit in Fig. 2 battery e
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72. Find the ammeter in the circuit in Fig. 2 battery emf ε = 100 V, its internal resistance of 2 ohms. Resistances R1 and R3 are respectively 25 ohms and 78 ohms. The power allocated to the resistance R1, P1 = 16 watts. Resistance ammeter neglected.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)