4. In a NPN transistor circuit, the collector current is 10mA. If 95% of the electrons emitted reach the collector, what is the base current?

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Solution

$D e a r S t u d e n t, I_{e} = I_{b} + I_{c} 10 m A = 0.95 * 10 + I_{c} I_{c} = 0.5 m A R e g a r d s$

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4. In a NPN transistor circuit, the collector current is 10mA. If 95% of the electrons emitted reach the collector, what is the base current?

Dear Student,Ie=Ib+Ic10 mA=0.95*10+IcIc=0.5 mARegards

$D e a r S t u d e n t, I_{e} = I_{b} + I_{c} 10 m A = 0.95 * 10 + I_{c} I_{c} = 0.5 m A R e g a r d s$