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Q#1
OP-AMP and its Applications
GATE EC 2006
MCQ
+2 marks
-0.66 marks
A regulated power supply, shown in figure below, has an unregulated input (UR) of 15 Volts and generates a regulated output
. Use the component values shown in the figure.
In the figure above, the ground has been shown by the symbol 
If the unregulated voltage increases by 20%, the power dissipation across the transistor 
increases by 20%
increases by 50%
remains unchanged
decreases by 20%
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