In the combination of the following gates, the output \(Y\) can be written in terms of inputs \(A\) and \(B\) as:

   
1. \(\overline {A\cdot B}\)
2. \(A\cdot \overline{B}+ B\cdot \overline{A}\)
3. \(\overline {A\cdot B}+ A\cdot B\)
4. \(\overline {A+ B}\)

Subtopic:  Logic gates |
 79%
From NCERT
NEET - 2018
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In a \(\mathrm{p\text{-}n}\) junction diode, the change in temperature due to heating:

1. affects only reverse resistance.
2. affects only forward bias.
3. does not affect the resistance of the \(\mathrm{p\text{-}n}\) junction.
4. affects the overall \(\mathrm{V\text{-}I}\) characteristics of a \(\mathrm{p\text{-}n}\) junction.

Subtopic:  PN junction |
 73%
From NCERT
NEET - 2018
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Which one of the following represents forward biased circuit?

1. 

2. 

3. 

4. 

Subtopic:  PN junction |
 84%
From NCERT
NEET - 2017
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The given electrical network is equivalent to:
 
1. \(\mathrm{OR}\) gate
2. \(\mathrm{NOR}\) gate
3. \(\mathrm{NOT}\) gate
4. \(\mathrm{AND}\) gate

Subtopic:  Logic gates |
 72%
From NCERT
NEET - 2017
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Which one of the following represents the forward bias diode?

1.  
2.  
3.
4.
Subtopic:  PN junction |
 79%
From NCERT
NEET - 2017
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The given circuit has two ideal diodes connected as shown in the figure below. The current flowing through the resistance R1 will be

   

(1) 2.5 A                     

(2) 10.0 A

(3) 1.43 A                   

(4) 3. 13 A

Subtopic:  Applications of PN junction |
 82%
From NCERT
NEET - 2016
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To get output 1 for the following circuit, the correct choice for the input is

                       

(1) A=1, B=0, C=0       

(2) A=1, B=1, C=0

(3) A=1, B=0, C=1       

(4) A=0, B=1, C=0

Subtopic:  Logic gates |
 85%
From NCERT
NEET - 2016
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The given circuit has two ideal diodes connected as shown in the figure below. The current flowing through the resistance \(R_1\) will be:
   
1. \(2.5~\text{A}\)
2. \(10.0~\text{A}\)
3. \(1.43~\text{A}\)
4. \(3.13~\text{A}\)

Subtopic:  PN junction | Applications of PN junction |
 85%
From NCERT
NEET - 2016
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What is the output \(Y\) in the following circuit, when all the three inputs \(A\), \(B\), and \(C\) are first \(0\) and then \(1\)
                          

1. \(0,1\)
2. \(0,0\)
3. \(1,0\)
4. \(1,1\)

Subtopic:  Logic gates |
 82%
From NCERT
NEET - 2016
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To get output \(Y=1\) for the following circuit, the correct choice for the input is:
 

1. \(A=1,~ B= 0, ~C=0\)
2. \(A=1,~ B= 1, ~C=0\)
3. \(A=1,~ B= 0, ~C=1\)
4. \(A=0,~ B= 1, ~C=0\)

Subtopic:  Logic gates |
 88%
From NCERT
NEET - 2016
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