A5)
i) The journey of free electrons from the emitter to thecollector in a NPN BJT consists of two parts. What are they ?
ii)Â Â A NPN BJT is made of two pn junctions,base/emitter junction and base/collector junction. Which pnjunction is thicker and why ?
iii) How can you eliminate a pn junction?
iv) How can you increase or decrease the width of a pnjunction?