Use KCL to find the current i1, i2, and i3 in the circuit of Figure P2.15. Assume that ia = 2 mA, ib = 7 mA, ic = 4 mA.
What will be an ideal response?
Known quantities:
ia = 2 mA, ib = 7 mA, ic = 4 mA
Find:
i1
i2
i3
Analysis:
Use KCL at Node A.
i_b-i_a-i_1=0
i_1=i_b-i_a
i_1=5mA
Use KCL at Node C.
i_c-i_2-i_b=0
i_2=i_c-i_b
i_2=-3mA
Use KCL at Node D.
i_3+i_a-i_c=0
i_3=i_c-i_a
i_3=2mA
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