Use KCL to determine the current i1, i2, i3, and i4 in the circuit of Figure P2.17. Assume that ia = ?2 A, ib = 6 A, ic = 1 A and id = ?4 A.
What will be an ideal response?
Known quantities:
ia = -2 A, ib = 6 A, ic = 1 A, id = -4 A
Find:
i1
i2
i3
i4
Analysis:
Use KCL at Node A.
i_1-i_a-i_c=0
i_1=i_a+i_c
i_1=-1A
Use KCL at Node B.
i_2-i_1-i_b=0
i_2=i_1+i_b
i_2=5A
Use KCL at Node C.
i_3-i_2-i_d=0
i_3=i_2+i_d
i_3=1A
Use KCL at Node D.
i_c+i_4-i_3=0
i_4=i_3-i_c
i_4=0A
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