For a transistor, which of the following statement is true ?

Emitter is the smallest region of a transistor The emitter junction is forward biased and the collector junction is reverse biased The emitter junction is reverse biased and the collector junction is forward biased The collector region has the heaviest doping

The emitter junction is forward biased and the collector junction is reverse biased

The emitter junction is forward biased and collector junction is reverse biased