Electronic Devices and Circuits - Engineering

Q1:

In p-n-p transistor the current IE has two components viz. IEP due to injection of holes from p-region to n-region and IE due to injection of electrons from n-region to p-region. Then

A IEp and IEn are almost equal

B IEp >> IEn

C IEn >> IEp

D either (a) or (c)

ANS:B - IEp >> IEn

Emitter is p-type in p-n-p transistor. Therefore holes are majority carriers.