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A regulated power supply, shown in figure below, has an unregulated input (UR) of $15$ Volts and generates a regulated output $V_{\text {out }}$. Use the component values shown in the figure.
In the figure above, the ground has been shown by the symbol $\nabla$
The power dissipation across the transistor $\text{Q1}$ shown in the figure is
1. $4.8$ Watts
2. $5.0$ Watts
3. $5.4$ Watts
4. $6.0$ Watts