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GATE EC 2019 Set 1 — Question 48

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MCQ+2 / -0.67MediumZener RegulatorsDiode CircuitsAnalog Circuits

Analog Circuits → Diode Circuits → Zener Regulators

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Question

In the circuit shown, the breakdown voltage and the maximum current of the Zener diode are 20 V20\text{ V} and 60 mA60\text{ mA}, respectively. The values of R1R_1 and RLR_L are 200 Ω200\text{ }\Omega and 1 kΩ1\text{ k}\Omega, respectively. What is the range of ViV_i that will maintain the Zener diode in the 'on' state?
Zener diode regulator circuit with input voltage $V_i$, series resistor $R_1$, Zener diode, and load resistor $R_L$
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