Problem 3. Use a Y-to-delta transformation to find (a) i0; (b) il; (c) i2 and (d) the power delivered by the ideal current source in the circuit in Fig. P3.54. Figure P3.54 320 Ω 20 Ω 50 Ω 1 A 240 Ω 100 Ω 600 Ω