Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The current gain in a common base circuit is 0.98. When the emitter current is changed by 5 mA, then the change in collector current will be:Option: 1 <

The current gain in a common base circuit is 0.98. When the emitter current is changed by 5 mA, then the change in collector current will be:

Option: 1

0.196 mA


Option: 2

2.45 mA


Option: 3

4.90 mA


Option: 4

5.10 mA


Answers (1)

best_answer

\mathrm{\alpha=\frac{\Delta \mathrm{I}_{\mathrm{C}}}{\Delta \mathrm{I}_{\mathrm{E}}}

or\; \Delta \mathrm{I}_{\mathrm{C}}=\alpha \Delta \mathrm{l}_{\mathrm{E}}=0.98 \times 5=4.90 \mathrm{~mA}

Posted by

manish

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2025 withheld results declared; NTA issues show cause notices ahead of action
anam-khan

JCECEB 2025 registration for BTech admission through JEE Main rank begins jceceb.jharkhand.gov.in
anam-khan

JEE Main 2025: BTech CSE cut-offs for PwD candidates at NITs make entry easy; top institutes still selective

Latest Question