by the infinite network shown in figure. Each resistor has 1 resistance.
Answer:
Let the total
resistance of the circuit be Z and a set of three resistors of value R each be
connected to it as shown in the figure.
Adding
of these resistors will not change the value of Z because the network is
infinite then
or 
i.e.
Z2 ? 2Z ? 2 = 0
or
Z = 1 
or 
(Value
of Z can not be negative)
Current
drawn, 
=
3.71 A.
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