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A power system network consists of three elements 0 - 1, 1 - 2 and 2 - 0 of per unit impedance 0.2, 0.4 respectively. Its bus impedance matrix is given by
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1 2 1 
7.5 -2.5 
2 -2.5 5.0 -
1 2 1 
0.16 0.08 
2 0.08 0.24 -
1 2 1 
0.16 -0.08 
2 -0.08 0.24 -
1 2 1 
0.6 0.4 
2 0.4 0.8
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Correct Option: B
The Bus impedance matrix ZBUS can be formed by using circuit theory knowledge