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6  Here are four electrical circuits.











               (a)  How many lamps in total will light up?

                    Circle the correct answer.

                                           0            1            2            3            4
                                                                                                           [1]



               (b) Draw a circuit symbol for a cell.




                                                                                                           [1]

               (c) Lily puts different objects in this electrical circuit.

                              cells                                                lamp











                                                                      object

                   Predict what will happen if the object is a good conductor.




                   Predict what will happen if the object is a bad conductor.


                                                                                                            [1]



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