This is a scheduled post planned to be published at 15.6.2013 at 11:22
              CIRCUIT
      _______________
     |                                  |
     |                                  I
  ----                 bulb \ /
    -- battery            / \
     |                                  |
     |______./  .______|
         open switch CIRCUIT _______________ | | | I ---- bulb \ / -- battery / \ | | |______./ .______| open switch
15.6.2013 at 11:22