Zener Diode & Voltage Regulation: JEE Questions & Solutions
9 previous-year JEE Physics questions on Zener Diode & Voltage Regulation, each with a worked step-by-step solution.
Previous-year questions
- 01
The following diagram shows a Zener diode as a voltage regulator. The Zener diode is rated at Vz = 5 V and the desired current in load is 5…
MCQMediumJEE 2026 - 02
A voltage regulating circuit consisting of a Zener diode having breakdown voltage of 10 V and maximum power dissipation of 0.4 W is…
NVAEasyJEE 2026 - 03
A zener diode with 5 V zener voltage is used to regulate an unregulated dc voltage input of 25 V. For a 400 resistor connected in series,…
MCQEasyJEE 2025 - 04
In the following circuit, the reading of the ammeter will be: (Take Zener breakdown voltage = 4 V)
MCQEasyJEE 2025 - 05
In the given circuit, the breakdown voltage of the Zener diode is 3.0 V. What is the value of IZ?
MCQEasyJEE 2024 - 06
A Zener diode of breakdown voltage 10 V is used as a voltage regulator as shown in the figure. The current through the Zener diode is:
MCQEasyJEE 2024 - 07
The I-V characteristics of an electronic device shown in the figure. The device is:
MCQEasyJEE 2024 - 08
Choose the correct statement about Zener diode:
MCQEasyJEE 2023 - 09
A Zener diode of power rating 1.6 W is used as a voltage regulator. If the Zener diode has a breakdown voltage of 8 V and it has to…
MCQEasyJEE 2023
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