Semiconductor diode - ISC Class 12 Physics Questions with Answers
27 past-paper questions on Semiconductor diode from ISC Class 12 Physics papers (2027-2018), newest first. Open one to see its answer.
- Answer the following questions: What is a solar cell? Explain its working in brief. In an energy band diagram of a certain… 2027 · 3 marks · Short answer
- Answer the following questions: Why the current flowing is extremely small during reverse biasing of a junction diode? State the… 2027 · 2 marks · Short answer
- Identify the phenomena that occur when a P-N junction diode is forward biased: (P) The width of the depletion layer decreases… 2027 · 1 mark · MCQ
- Which one of the following statements is true for the width of the depletion region of a semi-conductor diode? 2026 · 1 mark · MCQ
- Draw the symbol of a Zener diode. 2026 · 1 mark · Drawing
- Annie, a student of Physics, began her experiment by fabricating a p-n junction diode from an extrinsic semiconductor crystal… 2026 · 5 marks · Case based
- When a p-n junction diode is forward-biased 2026 · 1 mark · MCQ
- In which of the following figures, is the p-n diode forward biased? (Recall) 2026 · 1 mark · MCQ
- Sanya performed an experiment of obtaining characteristic curves of a junction diode. When she forward biased it, she found that… 2025 · 5 marks · Case based
- What energy conversion takes place in a solar cell? 2025 · 1 mark · Short answer
- A solar cell is a junction diode. A very thin layer of p-type semiconductor is grown on a relatively thicker n-type… 2025 · 5 marks · Long answer
- What will be the output for the given circuit? 2025 · 1 mark · MCQ
- A light-emitting diode (LED) is connected in forward biasing. If its potential barrier is given by ‘$V_0$’ when no biasing is… 2025 · 1 mark · Drawing
- An ideal PN junction diode offers: 2025 · 1 mark · MCQ
- In semiconductor physics, what is the function of a rectifier? 2024 · 1 mark · Short answer
- With reference to a semiconductor diode, define the following terms: depletion region potential barrier 2024 · 2 marks · Short answer
- What is meant by forward biasing of a semiconductor diode? Draw a labelled characteristic curve (I-V graph) for a semiconductor… 2024 · 3 marks · Drawing
- With reference to a semiconductor diode, explain the terms: Depletion region Potential barrier or barrier p.d. 2023 · 2 marks · Short answer
- Draw a labelled circuit diagram of a full wave rectifier. Show graphically how the output voltage varies with time. 2023 · 3 marks · Drawing
- What is meant by reverse biasing of a semiconductor diode? Draw a labelled characteristic curve i.e. I - V graph for a… 2023 · 3 marks · Drawing
- With reference to Semiconductor Physics, Name the diode that emits spontaneous radiation when forward biased. Draw a labelled… 2022 · 3 marks · Short answer
- Answer the following questions. Draw the circuit diagram of a full wave rectifier. Draw labelled graphs showing the input and… 2022 · 3 marks · Drawing
- In a semiconductor diode, what is meant by potential barrier? Draw a labelled circuit diagram of a Zener diode as a voltage… 2020 · 5 marks · Short answer
- For a transistor in a common emitter mode, draw labelled graph to show: (1) Input characteristic curve. (2) Output characteristic… 2018 · 5 marks · Short answer
- The forward characteristic curve of a junction diode is shown in Figure 4 below: Calculate the resistance of the diode at: (1)… 2018 · 5 marks · Short answer
- With reference to semiconductor devices, define a p-type semiconductor and a Zener diode. What is the use of a Zener diode? 2018 · 3 marks · Short answer
- With reference to a semiconductor diode, define the terms ‘depletion region’ and ‘potential barrier’. How will the width of… 2018 · 3 marks · Short answer
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