Thevenin equivalent

Question

Answer 1

(3)

Step 1 :

Redraw the circuit with equivalent thevenins voltage and resistance.

(From the results of http://www.mathskey.com/question2answer/31708/thevenin-equivalent-circuit &
http://www.mathskey.com/question2answer/31709/thevenin-equivalent).

 

Thevenin's Voltage is .

Thevenin's Resistance is .

Apply KVL in loop 1:

Step 2:

Voltage drop across the resistor  :

Voltage across the terminal A and B is

Thevenins equivalent voltage .

Solution :

Thevenins equivalent voltage .