Question
Question: In an NPN transistor the collector current is 24 mA. If 80% of electrons reach collector its base cu...
In an NPN transistor the collector current is 24 mA. If 80% of electrons reach collector its base current in mA is
A
36
B
26
C
16
D
6
Answer
6
Explanation
Solution
Given
6muic=10080×ie⇒24=10080×ie⇒ie=30mA
By using ie=ib+ic ⇒ ib = 30 – 24 = 6 mA.