Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

In NPN transistor, 1010 electrons enter in emitter region in 10-6 s. If 2% electrons are lost  in base region, then collector current and current amplification factor β respectively are

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

1.57 mA, 49

b

1.92 mA, 70

c

2 mA, 25

d

2.25 mA, 100

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

Ie=1010×1.6×10−19×110−6=1.6  mA ∵I=Qtsince 2% electrons are absorbed by base, hence 98% electrons reaches the collector, i.e., α=0.98⇒Ic=αIe=0.98×1.6=1.568  mA  ≈1.57  mA
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring
In NPN transistor, 1010 electrons enter in emitter region in 10-6 s. If 2% electrons are lost  in base region, then collector current and current amplification factor β respectively are