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If there are 6 branches and 4 essential nodes, how many equations are required to describe a circuit in mesh-current method?

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If there are 6 branches and 4 essential nodes, how many equations are required to describe a circuit in mesh-current method?

(a) 3

(b) 6

(c) 4

(d) 2

I had been asked this question in an interview for internship.

Query is from The Mesh-Current Method and Dependent Sources and Some Special Cases in chapter Techniques of Circuit Analysis of Electric Circuits

1 Answer

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Best answer
Right option is (a) 3

The best explanation: In Mesh-Current method, b-(n-1) equations are required to describe the circuit. b= the number of branches and n= the number of essential nodes.

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