SRM University 2007 B.Tech Computer Science and Engineering BANK : - Question Paper

38. What is the number of branches for a tree containing ‘n’ nodes?
39. For the provided graph fig 2.39 draw the number of possible trees.
40. For a graph with ‘n’ nodes what will be the number of ‘f’ cut – sets?

Part – B

41. For the provided NW shown in fig. 2.41 draw its topological graph and write its incidence matrix, tie – set matrix, link current transformation formula and branch currents.
42. For the above NW shown in fig 2.42a & 2.42b draw its graph
1 0 0 0 1 -1
43. Aa = -1 1 1 0 0 0
0 -1 0 -1 0 1
0 0 -1 one -1 0
From the decreased incidence matrix draw a network graph and form its incidence matrix


44 Develop the tie – set matrix of the circuit above. Also obtain number of links. (fig.2.44)

45 Write the fundamental loop matrix of the NW shown fig. 2.45
46 Draw the oriented graph of the fig. 2.46. Also find the fundamental cut-set matrix.
47 For the provided graph fig. 2.47, obtain the tie – set and cut – set matrices and find KVL & KCL equations. (Bold lines – Twigs ) (dotted lines – links)
48 Obtain incidence matrix and decreased incidence matrix from the graph fig.2.48
49 Determine the number of branches, number of nodes and number of links. Write the incidence matrix and develop the network equilibrium formula for fig.2.29
50 Obtain the fundamental loop and fundamental cut – set matrices for the graph fig.2.50

UNIT – III: NETWORK THEOREMS
Part – A
1. State Thevenin’s theorem?
2. State Norton’s theorem? (or) state the dual of the Thevenin’s theorem?
3. State superposition theorem?
4. State maximum power transfer theorem?
5. State substitution theorem?
6. State Reciprocity theorem?
7. State Millman’s theorem?
8. State Tellegen’s theorem?
9. Draw the Thevenin’s equivalent circuit?
10. Draw the Norton’s equivalent circuit discuss it?
11. obtain the Thevenin’s voltage
12 Find the thevenin’s resistance for provided circuit
13 Find the Norton’s equivalent circuit for the provided circuit
14 The resistance Rs is variable from 2O to 5O. What value of Rs outcomes in max power transfer across the terminal AB.?
15 State the theorem which is not valid for power responses.
16 What is the use of superposition theorem
17 Draw the graphical representation of the reciprocity theorem.
18 What are the applications of maximum power transfer theorem?
19 What is the condition for max voltage is delivered to load?

Earning:   Approval pending.