For normal operation of NPN transistor:
1
Emitter Base Junction must be reverse biased and Base-collector junction must be forward biased
2
Emitter Base Junction must be reverse biased and Base-collector junction must be reverse biased
3
Emitter Base Junction must be forward biased and Base-collector junction must be forward biased
4
Emitter-Base Junction must be forward biased and Base-collector junction must be reverse biased
5
Question Not Attempted