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Question: the resistances in the circuits are r1 120 ...

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the resistances in the circuits are R1 = 12.0 Ω, R2 = 29.0 Ω and R3 = 35.0 Ω. The terminal voltages in the circuit are ε1 = 2.40 V and ε2 = 3.60 V and their internal resistance is small.

a)Determine the current through the resistor R1.

b)Determine the current through the resistor R2.

c)Determine the current through the resistor R3.

d)Suppose the internal resistance of the voltage sources is Ri = 1.00 Ω. Determine the resistance of the resistor R1 through the current flow.

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