Physics · 2011
NEET 2011 · Prelims · Code A · Q47
A transistor is operated in common emitter configuration at V_C =2 V such that a change in the base current from 100 μ A to 300 μ A produces a change…
A transistor is operated in common emitter configuration at $\displaystyle \mathrm{V}_{\mathrm{C}}=2 \mathrm{~V}$ such that a change in the base current from $\displaystyle 100 \mu \mathrm{~A}$ to $\displaystyle 300 \mu \mathrm{~A}$ produces a change in the collector current from $\displaystyle 10$ mA to $\displaystyle 20$ mA. The current gain is :
Official answer
(2)
$\displaystyle 50$
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