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pot tha fie P3. (2 resistances Ro 2 S is closed for a long time: a) (7 points) Find the current through the resistor R 0 points) In the circuit shown in the figure, battery electromotive force ε-20 V, 52, R1 12 2, R2 4 2, and inductance L 0.2 H. After the switch -so 川- R. R2 V b) (7 points) Find the potential difference Vab Va-V, across the inductor L. (6 points) Find the energy stored in the inductor L.

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