You need to put down the object you're holding first BACK RADIO SERIES CIRCUIT BARIC SERIES CIRCUIT R1 = 4 70 0 VI-6V 12- 100 mA RJ - 100 0 In - 100 mA VI -2V R, - 4 20 > Q 1= 100 mA IS (A) lo - 100 mA ms (0) Vo -9V CONFIRM