ETC EngineeringMCQs
Home › Network Theory › If one row is deleted from the incidence matrix of a connected graph, the resulting reduced incidence matrix has how many rows for n nodes?
MCQ Practice Question
Network TheoryNetwork Topology

If one row is deleted from the incidence matrix of a connected graph, the resulting reduced incidence matrix has how many rows for n nodes?

  • An
  • Bn-1
  • Cb-n+1
  • Db
Report an error
Correct Answer: B. n-1
Explanation: Deleting the dependent reference-node row leaves a reduced incidence matrix with n-1 rows.
Reference: Standard network theory: reduced incidence matrix
Continue practicing: Network Theory MCQs or browse all MCQs.