In the figure the ideal battery has emf ε = 30.6 V, and the resistances are R1 = R2 = 47 Ω, R3 = R4 = R5 = 6.0 Ω, R6 = 2.5 Ω, and R7 = 1.9 Ω. What are currents (a) i2, (b) i4, (c) i1, (d) i3, and (e) i5? (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e) Number Units