Page 145 - Basic Electrical Engineering
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In mesh ABDA
− I − 4I + 2I = 0 (i)
3
1
2
In mesh BCDB
−2(I − I ) + 3(I + I ) + 4I = 0
2
3
3
1
3
or, −2I + 2I + 3I + 3I + 4I = 0
3
2
1
3
3
or, −2I + 3I + 9I = 0 (ii)
3
2
1
In mesh ABCA
−I − 2(I − I ) + 2 = 0
1
3
1
or, −3I + 2I = −2 (iii)
3
1
Figure 2.39 (b)
The three equations are written again as
− I + 2 I − 4 I = 0 (i)
2
3
1
− 2I + 3 I + 9I = 0 (ii)
1
2
3
