- 1(current)
Q. No.Consider the following Statements A and B and identify the correct answer:
| A. | For a solar-cell, the \(I\text-V\) characteristics lies in the IV quadrant of the given graph. |
| B. | In a reverse-biased pn junction diode, the current measured in (\(\mu \text{A}\)), is due to majority charge carriers. |
| 1. | A is incorrect but B is correct. |
| 2. | Both A and B are correct. |
| 3. | Both A and B are incorrect. |
| 4. | A is correct but B is incorrect. |
Subtopic: Â Applications of PN junction |
 53%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
A solar cell is a:
| 1. | forward biased zener diode. |
| 2. | type of light-emitting diode. |
| 3. | diode working on the principle of photo-voltaic effect. |
| 4. | type of photo-diode with external biasing. |
Subtopic: Â Applications of PN junction |
 59%
From NCERT
NEET - 2024
Please attempt this question first.
Hints
Please attempt this question first.
Given below are two statements:
| Statement I: | Photovoltaic devices can convert optical radiation into electricity. |
| Statement II: | Zener diode is designed to operate under reverse bias in the breakdown. |
| 1. | Statement I is False but Statement II is True. |
| 2. | Both Statement I and Statement II are True. |
| 3. | Both Statement I and Statement II are False. |
| 4. | Statement I is True but Statement II is False. |
Subtopic: Â Applications of PN junction |
 74%
From NCERT
NEET - 2023
Please attempt this question first.
Hints
Please attempt this question first.
The incorrect statement about the property of a Zener diode is:
| 1. | Zener voltage remains constant at the breakdown. |
| 2. | It is designed to operate under reverse bias. |
| 3. | The depletion region formed is very wide. |
| 4. | \(\mathrm{p}\) and \(\mathrm{n}\) regions of the Zener diode are heavily doped. |
Subtopic: Â Applications of PN junction |
 53%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Consider the following Statements (A) and (B) and identify the correct answer.
| (A) | A Zener diode is connected in reverse bias when used as a voltage regulator. |
| (B) | The potential barrier of p-n junction lies between \(0.2\) V to \(0.3\) V. |
| 1. | (A) is correct and (B) is incorrect. |
| 2. | (A) is incorrect and (B) is correct. |
| 3. | (A) and (B) both are correct. |
| 4. | (A) and (B) both are incorrect. |
Subtopic: Â Applications of PN junction |
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
An LED is constructed from a \(\mathrm{p\text{-}n}\) junction diode using \(\mathrm{GaAsP}\). The energy gap is \(1.9~\text{eV}\). The wavelength of the light emitted will be equal to:
1. \(10.4 \times 10^{-26} \text{m}\)
2. \(654~ \text{nm}\)
3. \(654~ \text{m}\)
4. \(654\times 10^{-11}~\text{m}\)
Subtopic: Â Applications of PN junction |
 78%
From NCERT
NEET - 2019
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
- 1(current)
Q. No.
© 2024 GoodEd Technologies Pvt. Ltd.