PHYS 2426 Engineering Physics II Problem 27.3 Three resistors, R1 = 30.0 0, R2 - 50.0 0 and R3 = 20.0 0, are connected as shown in the circuit in the figure. (a) Calculate the equivalent resistance. (b) A 12.0 V car battery is connected between the terminals "a" and "b". Calculate the electric current provided by the battery. (c) Calculate the electric current in each resistor. (d) Calculate the battery power. R 1 = 30 12 a R, R. = 2012 11 50 12PHYS 2426 Engineering Physics II Problem 27.4 1. Three resistors, R1 = 30.0 0, R2 = 50.0 0 and R3 = 20.0 0, are connected as shown in the circuit in the figure. (a) Calculate the equivalent resistance. (b) A 12.0 V car battery is connected between the terminals "a" and "b". Calculate the electric current provided by the battery. (c) Calculate the electric current in each resistor. (d) Calculate the battery power.