Question
If $\alpha=0.98$ and current through emitter $i_{e}=20 \mathrm{~mA}$, the value of $\beta$ is(A) $4.9$(B) 49(C) 96(D) $9.6$
Step 1
98$ and $i_{e} = 20mA$. We need to find the value of $\beta$. Show more…
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If alpha = 0.98 and current through emitter i e = 20 mA, the value of beta is (a) 4.9 (b) 49 (c) 96 (d) 9.6
In a common base amplifier circuit, calculate the change in base current, if that in the emitter current is $2 \mathrm{~mA}$ and $\alpha=0.98$. (a) $0.04 \mathrm{~mA}$ (b) $1.96 \mathrm{~mA}$ (c) $0.98 \mathrm{~mA}$ (d) $2 \mathrm{~mA}$
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Round 2
In a common base amplifier circuit, calculate the change in base current if that in the emitter current is $2 \mathrm{~mA}$ and $\alpha=0.98$ (a) $0.04 \mathrm{~mA}$ (b) $1.96 \mathrm{~mA}$ (c) $0.98 \mathrm{~mA}$ (d) $2 \mathrm{~mA}$
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