In the following common emitter circuit,$\beta=100$ and $V_{CE}=7 \text{ V}$. If $V_{BE}$ is negligible,then the base current is (in $\text{ mA}$)

When an $n-p-n$ junction transistor is used as an amplifier in common emitter mode,

In an experiment of $CE$ configuration of $n-p-n$ transistor,the transfer characteristics are observed as given in the figure. If the input resistance is $200 \ \Omega$ and output resistance is $60 \ \Omega$,the voltage gain in this experiment will be:

In a transistor,the collector current varies by $ 0.49 \,mA $ and emitter current varies by $ 0.50 \,mA $. Current gain $ \beta $ measured is

The correct relationship between $\alpha$ and $\beta$ for a transistor is ........

In a transistor (common emitter configuration) the ratio of power gain to voltage gain is ($\alpha$ and $\beta$ are current ratios)