Equivalent Resistance of Circuit System

AI Thread Summary
To solve the equivalent resistance problem, the 200 ohm and 300 ohm resistors can be grouped in parallel, while the 400 ohm and 80 ohm resistors form another parallel group. After calculating the equivalent resistance for each parallel group, these two results can be combined in series to find the total equivalent resistance of the circuit. This approach aligns with the principles of series and parallel circuits. Understanding how to identify and group resistors correctly is crucial for solving such problems effectively.
adamkesher
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I'm having trouble with this problem. Any advice would be appreciated. I know I can't group all resistors together in one loop, but I'm not sure where to draw my loops.

Should I choose the 200 ohm and 300 ohm for one parallel and the 400 ohm and 80 ohm for the other parallel?

I have a general understanding of series/parallel circuits, but this one is throwing me.

Thanks again,

-Alex
 

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You can make a single resistor with this one. The 200 and 300 ohm resistors are in parallel as are the 400 and 80 ohm resistors. The two equivalent resistors are then in series.
 
Thank you analogdesign! I'm glad I was on the right track. =)
 
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