PHYS 1112 HOMEWORK #5 (KIRCHOFF LAW PROBLEMS) PROBLEM ONE What is the current in the 10-Q resistor? PROBLEM TWO What is the magnitude of the current in the 20 Q resistor? PROBLEM THREE (Hint: No need to use Kirchoff's Rule for this problem!) What is the equivalent resistance between points a and b? 20 32 10 9 10 Q 10 9 b MM PROBLEM FOUR Determine & when I = 0.50 A and R = 12 0. R 2R MM 2RPROBLEM FIVE Determine the magnitude and sense (direction) of the current in the 500- resistor when /= 30 mA