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GATE ECE 2005 | Question-52

The zener diode in the regulator circuit shown in the figure has a Zener voltage of $5.8$ volts and a Zener knee current of $0.5 \mathrm{~mA}$. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between $20$ and $30$ volts, is

  1. $23.7 \mathrm{~mA}$.
  2. $14.2 \mathrm{~mA}$.
  3. $13.7 \mathrm{~mA}$.
  4. $24.2 \mathrm{~mA}$.
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