Consider the following circuit of three resistors (R1, R2, and R3), with batteries that have emfs ℰ1 = 10.5 V and ℰ2 = 42.5 V, and internal resistances r1 and r2. Randomized Variables ℰ1 = 10.5 V ℰ2 = 42.5 V Part (a)  Find the current I1, in amps.  Part (b)  Find the current I2, in amps.   Part (c)  Find the current I3 in amps.

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