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Question 1.P.56: Determine the value of ix in the given circuits....

Determine the value of i_x  in the given circuits.

1.56
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By applying homogenity property to Fig. (c) in Problem 1.55, we get Fig. (e).

By reversing the polarity of sources in Fig (e), we get circuit shown in Fig. (f).

Figure (b) = Figure (f) + Figure (d)

i_x=-24-4=-28  A

1.56.1
1.56.2

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