Norton equivalent circuit

Question

Answer 1

(3)

Step 1:

Find the current passing through the branch which have the resistance and voltage .

(From the results of http://www.mathskey.com/question2answer/31774/norton-equivalent-circuit

& http://www.mathskey.com/question2answer/31775/norton-equivalent-circuit)

 

Nortons Resistance is .

Nortons Current is  .

Redraw the circuit :

Use the Current Division Rule to find current across .

  

Substitute corresponding values in .

Step 2:

Convert the voltage source into current source using source transformation.

.

Substitute and .

Current passing through the branch : .

Substitute  and in .

Current passing through the branch is .

Solution :

Current passing through the branch is .