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Q. No.

The given electrical network is equivalent to: 
1. OR gate
2. NOR gate
3. NOT gate

4. AND gate

Subtopic:  Logic gates |
 66%
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 |
 78%
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:  PN junction |
 86%
From NCERT
NEET - 2016

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What is the output Y in the following circuit, when all the three inputs A, B, C are first 0 and then 1? 
                        

1.  0, 1

2.  0, 0

3.  1, 0

4.  1, 1

Subtopic:  Logic gates |
 77%
From NCERT

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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 |
 82%
From NCERT

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Consider the junction diode as an ideal. The value of current flowing through AB is: 

1. 10-2A
2. 10-1A
3. 10-3A
4. 0A
Subtopic:  PN junction |
 70%
From NCERT
NEET - 2016

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Which logic gate is represented by the following combination of logic gates? 
1. OR
2. NAND
3. AND
4. NOR
Subtopic:  Logic gates |
 57%
From NCERT
NEET - 2015

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In an n-type semiconductor, which of the following statement is true:
 
1. Electron are minority carriers and pentavalent atoms are dopants.
2. Holes are minority carriers and pentavalent atoms are dopants.
3. Holes are majority carriers and trivalent atoms are dopants.
4. Electrons are majority carriers and trivalent atoms are dopants.

 

Subtopic:  Types of Semiconductors |
 74%
From NCERT
AIPMT - 2013

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The output(X) of the logic circuit shown in figure will be: 


1. X = A·B¯

2. X = A.B

3. X = A+B¯

4. X = A¯¯·B¯¯

 

Subtopic:  Logic gates |
 64%
From NCERT
AIPMT - 2013

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Two ideal diodes are connected to a battery as shown in the circuit. The current supplied by the battery is:

 

1. 0.75 A

2. zero

3. 0.25 A

4. 0.5 A

Subtopic:  PN junction |
 81%
From NCERT
AIPMT - 2012

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