You have three resisters of 9 ohm each . how can you combine them to get a resistance of 12 ohm? Physics 1 Answer Douglas K. Apr 29, 2018 It cannot be done with 3 9Omega resistors but, if you have 4 9Omega resistors, then you can connect 3 in parallel and 1 in series to obtain 12Omega Answer link Related questions How do I determine the molecular shape of a molecule? What is the lewis structure for co2? What is the lewis structure for hcn? How is vsepr used to classify molecules? What are the units used for the ideal gas law? How does Charle's law relate to breathing? What is the ideal gas law constant? How do you calculate the ideal gas law constant? How do you find density in the ideal gas law? Does ideal gas law apply to liquids? Impact of this question 2077 views around the world You can reuse this answer Creative Commons License