Physics · 2021
JEE Main · 18 March 2021, Shift 2 · Q15
The correct relation between α (ratio of collector current to emitter current) and β (ratio of collector current to base current) of a transistor is:
The correct relation between $\displaystyle \alpha$ (ratio of collector current to emitter current) and $\displaystyle \beta$ (ratio of collector current to base current) of a transistor is :
Official answer
(4)
$\displaystyle \alpha=\frac{\beta}{1+\beta}$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.