Page 1 - Mind Map
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SAI INTERNATIONAL SCHOOL
                                                   Class-6

                                                 Mind map
                                             Subject-Physics
                                      Ch- Electricity and Circuits

                                             Subtopic-Torch


                                                     TORCH







              Components of a Torch
                                                                        Working of Torch








                                                                             In the ON position, the metal strip
                               Wire and spring                              under the switch touches both the wire
                                                                                         and the spring
                        The wire connects the bulb and the
                        switch whereas the spring connects
                              the cell and the switch.


                                                                             Thus, all the parts of the torch are
                                                                            connected in a closed path, It allows
                                                                           electricity to flow through the bulb. The
                                       Cells                              filament (made of tungsten metal) of the

                             The cells are placed between a                    bulb gets hot and gives us light.
                         terminal of the bulb and the spring. The
                           positive terminal of the battery points
                                   towards the bulb.

                                                                                 In the OFF position,

                                                                               The metal strip loses contact with
                                   Switch:                                   one of the wires. This forms an open
                                                                                 circuit and breaks the flow of
                            The switch controls the link                        current. Thus, the bulb does not
                          between the wire and the spring.
                                                                                              glow.


                               Bulb
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