Electricity

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3.what is the different and the series circuit: in all series circulates all electrons pass through one path in a parallel circuits the electrons spill ways and go down to the different branches. 

4. what is voltage and current in a circuit?voltage comes from the battery, it changes the speed of the electrons travelling, current like the flow of the electrons 

5. explain why a string of Christmas tree light would be parallel not series: because all the balls are connected to one loop and if one of them breaks the whole this breaks.