Physics · 2019
JEE Main · 10 April 2019, Shift 2 · Q27
The figure represents a voltage regulator circuit using a Zener diode. The breakdown voltage of the Zener diode is 6 V and the load resistance is,…
The figure represents a voltage regulator circuit using a Zener diode. The breakdown voltage of the Zener diode is $\displaystyle 6$ V and the load resistance is, $\displaystyle \mathrm{R}_{\mathrm{L}}=4 \mathrm{k} \Omega$. The series resistance of the circuit is $\displaystyle \mathrm{R}_{\mathrm{i}}=1 \mathrm{k} \Omega$. If the battery voltage $\displaystyle \mathrm{V}_{\mathrm{B}}$ varies from $\displaystyle 8$ V to $\displaystyle 16$ V , what are the minimum and maximum values of the current through Zener diode?
Official answer
(3)
$\displaystyle 0.5 \mathrm{~mA} ; 8.5 \mathrm{~mA}$
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JEE Main 2019 Physics question, with the answer from NTA’s final answer key. Where our answers come from.