Equivalent Resistance of Circuit System

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SUMMARY

The discussion centers on calculating the equivalent resistance of a circuit system involving resistors of 200 ohms, 300 ohms, 400 ohms, and 80 ohms. The correct approach is to group the 200 ohm and 300 ohm resistors in parallel, as well as the 400 ohm and 80 ohm resistors in parallel. After determining the equivalent resistances of these two groups, they are then connected in series to find the total equivalent resistance of the circuit.

PREREQUISITES
  • Understanding of series and parallel resistor configurations
  • Knowledge of Ohm's Law
  • Ability to perform basic electrical calculations
  • Familiarity with equivalent resistance concepts
NEXT STEPS
  • Study the formula for calculating equivalent resistance in parallel circuits
  • Learn how to calculate equivalent resistance in series circuits
  • Explore complex circuit analysis techniques, such as mesh and nodal analysis
  • Practice with circuit simulation tools like LTspice or Multisim
USEFUL FOR

Electronics students, electrical engineers, and hobbyists working on circuit design and analysis will benefit from this discussion.

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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