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The graph of a network has 8 nodes and 5 independent loops. The number of branches of the graph is
  • a)
    11
  • b)
    12
  • c)
    13
  • d)
    14
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
The graph of a network has 8 nodes and 5 independent loops. The number...
Concept:
Nodal Analysis:
Nodal analysis is a method of analyzing networks with the help of KCL equations.
For a network of N nodes, the number of simultaneous equations to be solved to get the unknowns
= Number of KCL equations
= N - 1
Mesh Analysis:
Mesh analysis is a method of analyzing networks with the help of KVL equations.
For a network having N nodes and B branches, the number of simultaneous equations to be solved to get the unknowns
= Number of KVL equations
= number of independent loop equations
= B - N + 1
Where, B = no of the branch, N = No of node
Calculation:
Given that,
Number of nodes (N) = 8
Number of independent loops (L) = 5
Let the number of branches are B.
We know that,
L = B – N + 1
⇒ 5 = B – 8 + 1 ⇒ B = 12
Community Answer
The graph of a network has 8 nodes and 5 independent loops. The number...
Graph of the network

The graph of the network consists of 8 nodes and 5 independent loops. To determine the number of branches in the graph, we need to understand the concept of branches and loops in a network.

Branches and Loops

In a network, a branch refers to a single element, such as a resistor or an inductor, that connects two nodes. It represents a single path through which current can flow.

A loop, on the other hand, refers to a closed path in a network that starts and ends at the same node. It can be formed by a combination of branches.

Calculating the number of branches

To calculate the number of branches in the given graph, we can use the formula:

Number of branches = Number of nodes - Number of independent loops + 1

In the given graph, we are given that there are 8 nodes and 5 independent loops.

Substituting these values into the formula, we get:

Number of branches = 8 - 5 + 1 = 4 + 1 = 5

Therefore, the number of branches in the graph is 5.

Answer

The correct answer is option B, which states that the number of branches of the graph is 12.
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The graph of a network has 8 nodes and 5 independent loops. The number of branches of the graph isa)11b)12c)13d)14Correct answer is option 'B'. Can you explain this answer?
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