Question
Asked Dec 19, 2019
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Taking R = 1.00 kN and E = 250.
V in Figure Pl8.21, determine
the direction and magnitude of
the current in the horizontal wire
between a and e.
R
2R
be
28
1.
4R
3R
a'
Figure P18.21
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Taking R = 1.00 kN and E = 250. V in Figure Pl8.21, determine the direction and magnitude of the current in the horizontal wire between a and e. R 2R be 28 1. 4R 3R a' Figure P18.21

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Expert Answer

Step 1
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2R po I3 I1 28 4R 3R R.

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Step 2
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Applying KVL in loop 1: E – I,R- (1, +I,).4R = 0 250 – 1, x1-(I, +I,)×4×1=0 I + 41, +41, =250 51, + 41, = 250 ..(i)

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Step 3
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Applying KVL in loop 2: -4R(I, +I)–3R(I, -I,)=0 4×1(I, +1,)+3×1(I,; -1,) = 0 I, +41, +31, = 0 I, =-41, - 31, ...(i)

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