Branch current and loop current relation is expressed in matrix form shown below, where Ij represents branch current and Ik represents loop current.

[I1; I2; I3; I4; I5; I6; I7; I8] = [0 0 1 0; -1 -1 -1 0; 0 1 0 0; 1 0 0 0; 0 0 -1 -1; 1 1 0 -1; 1 0 0 0; 0 0 0 1] [I1; I2; I3; I4]The rank of the incidence matrix is?

Branch current and loop current relation is expressed in matrix form s

1.	Branch current and loop current relation is expressed in matrix form shown below, where Ij represents branch current and Ik represents loop current.
A.	[I1; I2; I3; I4; I5; I6; I7; I8] = [0 0 1 0; -1 -1 -1 0; 0 1 0 0; 1 0 0 0; 0 0 -1 -1; 1 1 0 -1; 1 0 0 0; 0 0 0 1] [I1; I2; I3; I4]The rank of the incidence matrix is?
B.	4
C.	5
D.	6
E.	8
Answer» B.

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Branch current and loop current relation is expressed in matrix form shown below, where Ij represents branch current and Ik represents loop current.

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