(1) \ \
\Step 1:
\Find the Nortons equivalent resistance.
1.Open the load resistor.
\2.Open Current Sources and Short Voltage Sources.
\3.Calculate the Open Circuit Resistance. This is the Norton Resistance .
Redraw the circuit :
\
Step 2:
\ and
are in parallel.
and
are in parallel.
Nortons Resistance is .
Solution :
\Nortons Resistance is .
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