Femi level for a semiconductor with doping concentration NA ND is proportional to

1.  NAND

2.  NA-ND=

3.  ni

4.  NA /ND

View Answer  
4
Correct Answer :

NA-ND=


Explanation :
No Explanation available for this question

For the graph shown below, the tie-set matrix corresponding to tree formed by branches 4, 5, 6 is Branch→1 2 3 4 5 6 Link ↓

1.  

2.  

3.  

4.  None of these

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Direct band gap semiconductor exhibit

1.  Short carrier life time used by the laser

2.  Long Carrier time used by the laser

3.  Short carrier life time used for BJT

4.  Long carrier life time used for BJT

View Answer  
4
Correct Answer :

Short carrier life time used by the laser


Explanation :
No Explanation available for this question

For given network the incidence matrix is given by If i2=2A, i4=4A, i5=2A, where ik represents current in Kth branch, then i6 is given by

1.  4A

2.  2A

3.  0A

4.  6A

View Answer  
4
Correct Answer :

0A


Explanation :
No Explanation available for this question

Built in potential in a p-n junction

1.  Increase with temperature

2.  increase with doping levels

3.  Equal to difference between the Fermi levels of two sides

4.  Equal to average of Fermi levels of two sides

View Answer  
4
Correct Answer :

increase with doping levels


Explanation :
No Explanation available for this question

For the graph shown in the figure below, the incidence matrix A is

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

If the reduced incidence matrix of a given network is given below, then numbers of possible trees are

1.  10

2.  12

3.  14

4.  16

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4
Correct Answer :

16


Explanation :
No Explanation available for this question

The number of trees possible in the graph shown below is/are

1.  5

2.  6

3.  7

4.  8

View Answer  
4
Correct Answer :

8


Explanation :
No Explanation available for this question

If the complete incidence matrix of a graph s given as Then the oriented graph is given by

1.  

2.  

3.  

4.  None of these

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Two concentric spherical shells carry equal and opposite uniformly distributed charges over their surface as shown in the figure. Electric field on the inner shell will be.

1.  Zero

2.  Q/4π0R2

3.  Q/8π0R2

4.  Q/16π0R2

View Answer  
4
Correct Answer :

Q/4π0R2


Explanation :
No Explanation available for this question
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