The size of bus admittance matrix for the sing line diagram shown in the
figure is________.
3 x 3
4 x 4
2 x 2
5 x 5
4 x 4
The size of bus admittance matrix for the single line diagram shown below in
Matrix is converter in terms
of self-bus admittance Y and mutual bus admittance 
It is clear that this is 4 x 4
Hence, the correct option is
(B).
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