In an $NPN$ transistor the collector current is $24\ mA$. If 80% of electrons reach collector its base current in $mA$ is

Question

Dr. Abubacker · Accepted Answer

(d) Given $i_{c} = \frac{80}{100} 	imes i_{e} \Rightarrow 24 = \frac{80}{100} 	imes i_{e} \Rightarrow i_{e} = 30\ mA$
By using $i_{e} = i_{b} + i_{c} \Rightarrow i_{b} = 30 - 24 = 6\ mA$

Q. In an $NPN$ transistor the collector current is $24\ mA$. If 80% of electrons reach collector its base current in $mA$ is

Explanation

Reviewed by Dr. Abubacker

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