64.  Find the equivalent resistance between points A and B in the drawing.

 

w1023

 

Always start away from where you are trying to find the resistance between.  So we begin by combining the 1, 2, and 3 in series.

 

 

Our circuit becomes

Now we combine 3 and 6 as parallel resistors

 

 

Our circuit now looks like

Now combine the 6 and the 2 in series

 

 

Redraw our circuit

Now add 4 and 8 in parallel

 

 

 

Next circuit looks like

So finally have two resistors in series so total resistance is

 

 

 

 

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This page last updated on June 18, 2018