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 |
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A logic circuit provides the output \(Y\) as per the following truth table:
\(A\) \(B\) \(Y\)
0
0
1
1
0
1
0
1
1
0
1
0
The expression for the output \(Y\) is : 
1. \(A \cdot \overline{B}+\overline{A} \)
2. \(\overline{B} \)
3. \(B \)
4. \(A \cdot B+\overline{A}\)
Subtopic:  Logic gates |
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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 |
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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 |
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The correct input \((A,B)\) - output \((Y)\) combination for the given circuit is:
               
 
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 |
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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:  PN junction |
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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
Subtopic:  Rectifier |
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NEET - 2023
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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:  Applications of PN junction |
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For the following logic gate, the truth table is: 
       
1.
\(\mathrm A\) \(\mathrm B\) \(\mathrm C\)
0 0 0
0 1 0
1 0 0
1 1 1
2.
\(\mathrm A\) \(\mathrm B\) \(\mathrm C\)
0 0 1
0 1 1
1 0 1
1 1 0
3.
\(\mathrm A\) \(\mathrm B\) \(\mathrm C\)
0 0 0
0 1 1
1 0 1
1 1 1
4.
\(\mathrm A\) \(\mathrm B\) \(\mathrm C\)
0 0 1
0 1 0
1 0 1
1 1 0
Subtopic:  Logic gates |
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The given circuit is equivalent to:
        
1. 2.
3. 4.
Subtopic:  Logic gates |
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