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In a connected graph, a bridge is an edge whose removal disconnects a graph. Which one of the following statements is true? , In a connected graph, a bridge is an edge whose removal disconnects a graph. Which one of the following statements is true?
In a connected graph, a bridge is an edge whose removal disconnects a graph. Which one of the following statements is true?
A.
A tree has no bridges
A tree has no bridges
B.
A bridge cannot be part of a simple cycle
A bridge cannot be part of a simple cycle
C.
Every edge of a clique with size ≥ 3 is a bridge (A clique is any complete subgraph of a graph)
Every edge of a clique with size ≥ 3 is a bridge (A clique is any complete subgraph of a graph)
D.
A graph with bridges cannot have a cycle
A graph with bridges cannot have a cycle
Solution
B. A bridge cannot be part of a simple cycle
Explanation
A bridge in a graph cannot be a part of cycle as removing it will not create a disconnected graph if there is a cycle. A graph G is connected if there is a path in G between any given pair of vertices, otherwise it is disconnected. Every disconnected graph can be split up into a number of connected sub graphs, called components. Sub graph. Let G be a graph with vertex set V(G) and edge-list E(G).
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