Find the equivalent resistance between terminals a and b of the circuit shown below.






R1=1700;R2=7000;R3=1800;R4=4000;R5=12000;R6=1000;R7=2000;R8=3000;R9=6000;

Ra=P([R7,R8,R9])

Rb=R6+Ra

Rc=P([R4,R5,Rb])

Rd=R3+Rc

Re=P([R2,Rd])

Req=R1+Re

Answer:

Ra =

1000

Rb =

2000

Rc =

1200

Rd =

3000

Re =

2100

Req =

3800

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