Electronic Devices Question 9

Question: In a common base amplifier circuit, calculate the change in base current if that in the emitter current is 2 mA and a = 0.98

[BHU 1995]

Options:

A) 0.04 mA

B) 1.96 mA

C) 0.98 mA

D) 2 mA

Show Answer

Answer:

Correct Answer: A

Solution:

Δic=αΔie=0.98×2=1.96mA

Δib=ΔieΔic=21.96=0.04mA .



NCERT Chapter Video Solution

Dual Pane