For the given graph, the incidence matrix would be

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

Which of the following graphs has the same fundamental loop matrix

1.  1, 2

2.  2, 3

3.  1, 3, 4

4.  2, 3, 4

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4
Correct Answer :

1, 2


Explanation :
No Explanation available for this question

In the circuit of figure the switch’s’ is closed at t= 0 with iL=(0) and vc= (0). In the steady state Vc equal to

1.  200 V

2.  100 V

3.  zero

4.  -100 V

View Answer  
4
Correct Answer :

100 V


Explanation :
No Explanation available for this question

Match list I with List II and select the correct answer using the codes given below to indicate the topological variables for the circuit given in figure to write loop equations. List I List II a. Number of branches 1. 3 b. Number of independent loops 2. 2 c. Order of B matrix 3. 3X 5 d. Number of twigs 4. 4 X 7 5. 5

1.  a-1 b-2 c- d-5

2.  a-5 b-1 c-3 d-2

3.  a-5 b-1 c-4 d-2

4.  a-2 b-1 c-4 d-5

View Answer  
4
Correct Answer :

a-5 b-1 c-3 d-2


Explanation :
No Explanation available for this question

In the graph shown in figure below, e possible tree is formed by 4, 5, 6, 7. Then one possible fundamental cut set is

1.  1, 2, 3, 8

2.  1, 2, 5, 6

3.  1, 5, 6, 8

4.  1, 2, 3, 7, 8

View Answer  
4
Correct Answer :

1, 2, 3, 7, 8


Explanation :
No Explanation available for this question

A semiconductor material is doped with Donar type impurities with 1015 atoms/cm3.If the intrinstic carrier concentration is 1010 per cm3, then the concentration of holes in the doped semiconductors in equilibrium is

1.  105

2.  1015

3.  1010

4.  0

View Answer  
4
Correct Answer :

105


Explanation :
No Explanation available for this question

When all the resistances in the circuit are at one ohm each, the equivalent resistance across the point A and B will be.

1.  1Ω

2.  0.5Ω

3.  2Ω

4.  1.5Ω

View Answer  
4
Correct Answer :

0.5Ω


Explanation :
No Explanation available for this question

Conductors, semiconductors and insulators can be easily classified on the basic of

1.  Melting point

2.  Band gap energy

3.  Relative permittivity

4.  conductivity

View Answer  
4
Correct Answer :

Band gap energy


Explanation :
No Explanation available for this question

In the graph shown in figure below, for the tree with branches a, b, c, d, e, f the fundamental loops would include

1.  cca, bdea, abf

2.  cdb, bdea, bfa

3.  cdb, def, bfa

4.  adbe, def, cdb

View Answer  
4
Correct Answer :

cdb, def, bfa


Explanation :
No Explanation available for this question

Dependence of charge carrier on temperature for an intrinsic semiconductor is

1.  Exponential

2.  Parabolic

3.  Logarithmic

4.  ndependent

View Answer  
4
Correct Answer :

Exponential


Explanation :
No Explanation available for this question
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