Question
If the common base current gain, $\alpha$, of a BJT is 0.97 , calculate the value of common emitter current gain, $\beta$.
Step 1
The relationship is given by the formula: \[ \beta = \frac{\alpha}{1 - \alpha} \] Show more…
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the Alpha value of given transistor is 0.99 then the beta value is
Assertion In a common base circuit, current gain is $0.95 .$ If, base current is $60 \mu \mathrm{A}$. then emitter current is $1200 \mu \mathrm{A} .$ Reason Current gain in common base circuit is, $\alpha=\frac{I_{C}}{I_{E}}$.
Electronic Devices
Round 2
If the ratio of change in current in emitter and corresponding change in current in collector is $1.013$, then the value of $\alpha$ is : (a) $0.987$ (b) $0.100$ (c) $0.900$ (d) none of these
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