Web Accessibility - Legacy Page

This page has been identified as older than June 1, 2014. Per MSU's Web Accessibility agreement with the Office for Civil Rights, content that has not been updated since this date is considered "legacy" and does not need accessibility errors remediated.

If you make edits to this page and republish it, you will need to correct any accessibility errors that exist - all MSU web pages created or updated past June 1, 2014 are required to meet our current Web Accessibility standards. Visit our help center article on working with legacy web pages and content for more information.





  • Version 1
  • Use panels separately or combine to illustrate parallel and series circuits.
  • Can be used with car battery and 12 V bulbs, or with 120 VAC and regular bulbs. Caution is advised with 120 VAC.
  • Disconnect battery when finished.



  • Parallel and series arrangements.


  • Version 2
  • Use bulbs in combination to illustrate parallel and series circuits.
  • Disconnect battery when finished.

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