Consider the circuit shown in the figure. Suppose the four resistors in this circuit have the values R1= 11Ω, R2= 6.7Ω, R3= 7.7Ω, and R4= 15Ω, and that the emf of the battery is E= 18V
A. Find the current through each resistor using the rules for series and parallel resistors.
B. Find the current through each resistor using Kirchhoff's rules.