new node and the old one. Introduction of a shorting link causes no change in the circuit
variables anywhere in the circuit. However, now we identify this newly introduced short-
circuit element as the element exclusively owned by mesh M
k
and identify the mesh cur-
rent variable i
k
as the current that flows in this element. We can introduce an ammeter
there as shown in Fig. 4.7-6(b) and measure i
k
.
However, even this technique will fail to make the mesh current variable i
k
meas-
urable if R
2
is a member of yet another mesh. If the entire periphery of the mesh M
k
is
shared by some mesh or other, then, a short-circuit element introduced anywhere in the
periphery ...
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