Fill in the blanks with appropriate words given below .
[Base , collector , emitter , base-collector junction, collector - emitter junction , emitter base junction ]
Structurally a bipolar junction transistor consists of emitter , base and `underline"(i)"` Out of these regions `underline"(ii)"` is the most heavily doped. For proper functioning of a transistor. `underline"(iii)"` is forward biased and `underline"(iv)"` is reverse biased.

Explanation

i. Collector ii., emitter iii E-B junction iv. C-B Junction