-21 For the following circuit, the inductor current for t> 0 is given by: ed iz = A, e-10f + A, e401 out of question Using initial conditions, nodal, and mesh analysis calculate Az: 200 N 50 N 5H 0.5u(-t) A 500 F Select one: . 0.5 O b. -217 O .0 O d. 1.5 O e. None of these answers is correct O f. 2 O g. 1 O h. 100 -22 For the circuit shown in the figure, the value of the equivalent resistance Rab is: ed 30 2 out of question 12 2 a 52 ww Rab 25 2 60 2 17.5 2 ww 52 ww b Select one: O a. 16.25 N O b. 4.85 2 O c. 67.32 0 O d. 22.5 Q O e. 28.34 2 O f. 30.29 2 ww ww