In the silicon $\text{BJT}$ circuit shown below, assume that the emitter area of transistor $\text{Q1}$ is half that of transistor $\text{Q2.}$
The value of current $\text{I}_0$ is approximately
- $0.5 \mathrm{~mA}$
- $2 \mathrm{~mA}$
- $9.3 \mathrm{~mA}$
- $15 \mathrm{~mA}$