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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: Applications of PN junction |
56%
From NCERT
NEET - 2024
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A logic circuit provides the output \(Y\) as per the following truth table:
The expression for the output \(Y\) is :
1. \(A \cdot \overline{B}+\overline{A} \)
2. \(\overline{B} \)
3. \(B \)
4. \(A \cdot B+\overline{A}\)
| \(A\) | \(B\) | \(Y\) |
| 0 0 1 1 |
0 1 0 1 |
1 0 1 0 |
1. \(A \cdot \overline{B}+\overline{A} \)
2. \(\overline{B} \)
3. \(B \)
4. \(A \cdot B+\overline{A}\)
Subtopic: Logic gates |
68%
From NCERT
NEET - 2024
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The output (\(Y\)) of the given logic gate is similar to the output of an/a:
| 1. | \(\text{NOR}\) gate | 2. | \(\text{OR}\) gate |
| 3. | \(\text{AND}\) gate | 4. | \(\text{NAND}\) gate |
Subtopic: Logic gates |
65%
From NCERT
NEET - 2024
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Subtopic: PN junction |
From NCERT
NEET - 2024
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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: Applications of PN junction |
74%
From NCERT
NEET - 2024
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Which input \((A,B)-\)output \((Y)\) combination correctly represents the given logic circuit?
| 1. | \(A=1,B=1,Y=1\) |
| 2. | \(A=0,B=1,Y=1\) |
| 3. | \(A=1,B=0,Y=0\) |
| 4. | \(A=0,B=0,Y=1\) |
Subtopic: Logic gates |
59%
From NCERT
NEET - 2024
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Zener diode works:
| 1. | in forward bias only. |
| 2. | in reverse bias only. |
| 3. | as a voltage regulator in forward bias and as a simple pn junction diode in reverse bias. |
| 4. | as a voltage regulator in reverse bias and as a simple pn junction diode in forward bias. |
Subtopic: Applications of PN junction |
57%
From NCERT
NEET - 2024
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A full wave rectifier circuit consists of two \(\mathrm{p\text-n}\) junction diodes, a centre-tapped transformer, capacitor and a load resistance. Which of these components remove the ac ripple from the rectified output?
1. load resistance
2. a centre-tapped transformer
3. \(\mathrm{p\text-n}\) junction diodes
4. capacitor
1. load resistance
2. a centre-tapped transformer
3. \(\mathrm{p\text-n}\) junction diodes
4. capacitor
Subtopic: Rectifier |
58%
From NCERT
NEET - 2023
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Given below are two statements:
| Statement I: | Photovoltaic devices can convert optical radiation into electricity. |
| Statement II: | The Zener diode is designed to operate under reverse bias in the breakdown. |
| 1. | Statement I is incorrect but Statement II is correct. |
| 2. | Both Statement I and Statement II are correct. |
| 3. | Both Statement I and Statement II are incorrect. |
| 4. | Statement I is correct but Statement II is incorrect. |
Subtopic: Applications of PN junction |
78%
From NCERT
NEET - 2023
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For the following logic gate, the truth table is:
| 1. |
|
|||||||||||||||
| 2. |
|
|||||||||||||||
| 3. |
|
|||||||||||||||
| 4. |
|
Subtopic: Logic gates |
71%
From NCERT
NEET - 2023
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