0
\$\begingroup\$

Is it possible to create a circuit with three resistors that can be changed from series connection to parallel connection with a switch?

Can this be done simply enough to reproduce in a simple simulator like http://www.falstad.com/circuit/ ?

\$\endgroup\$
1
  • \$\begingroup\$ "that can be changed from series connection to parallel connection with a switch.." please give more details may be with a diagram \$\endgroup\$
    – User323693
    Feb 27, 2017 at 3:39

2 Answers 2

2
\$\begingroup\$

You can do it without duplicating the circuit but you need two switches (DPST)

enter image description here

\$\endgroup\$
3
  • \$\begingroup\$ This gives a better answer to the question as asked, but given the relative cost of switches and resistors, T Borges' answer is probably a better solution to the actual problem OP needs to solve. \$\endgroup\$
    – The Photon
    Feb 27, 2017 at 3:05
  • \$\begingroup\$ I was guessing the OP wanted to use the same resistors for both configurations for some reason, power resistors maybe? He seems happy with that solution though so apparently not. \$\endgroup\$
    – TWiz
    Feb 27, 2017 at 4:23
  • \$\begingroup\$ This should be the accepted answer as this conforms to the prerequisites in the OP's question. By the way there are situations where the cost of the switches are not as important or the cost difference does not exist. For example, power resistors are expensive, and a DPST relay is almost the same price as an SPDT one. Other is, if you have calibrated or precision resistors and you require the exact same ones to be used in both configuration. \$\endgroup\$ Aug 29, 2017 at 6:29
1
\$\begingroup\$

If you accept one dual switch, here's a 3 resistor circuit:

enter image description here

\$\endgroup\$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct.

Not the answer you're looking for? Browse other questions tagged or ask your own question.