What is amount of doping tansistor ?
A. Emitter is moderately doped, collector is heavily doped and base is lightly doped
B. Emitter is moderately doped, collector is lightly doped and base is heavily doped
C. Emitter is heavily doped, collector is lightly doped and base is moderately doped
D. Emitter is heavily doped, collector is moderatly doped and base is lightly doped