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Diode as a Rectifier for JEE: 8 solved questions

Real JEE paper questions on diode as a rectifier, part of semiconductor electronics. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2005 to 2025. No sign-in needed to read them.

What this topic asks

• Output waveforms — 5 questions
• Rectifiers and filters — 3 questions

All 8 questions with solutions

• In the circuit shown here, assuming threshold voltage of diode is negligibly small, then voltage V_AB is corr… JEE Main 28th Jan 2nd Shift 2025
• In the given circuit the input voltage Vᵢₙ is shown in figure. The cut-in voltage of p-n junction diode (D₁ o… JEE Main 28th June 2nd Shift 2022
• Choose the correct waveform that can represent the voltage across R of the following circuit, assuming the di… JEE Main 31st Aug 1st Shift 2021
• Statement I: To get a steady dc output from the pulsating voltage received from a full wave rectifier we can… JEE Main 31st Aug 2nd Shift 2021
• For the given input voltage waveform Vᵢₙ(t), the output voltage waveform V₀(t), across the capacitor is corre… JEE Main 6th Sept 1st Shift 2020
• A p-n junction (D) shown in the figure can act as a rectifier. An alternating current source (V) is connected… JEE Main 2009
• If in a p-n junction diode, a square input signal of 10 V is applied as shown. Then the output signal across… JEE Main 2007
• In a full wave rectifier circuit operating from 50 Hz mains frequency, the fundamental frequency in the rippl… JEE Main 2005