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1) In a simple series circuit, why does the bulb light when you close the switch? a) Because the switch produces electricity b) Because closing the switch completes the circuit c) Because closing the switch breaks the circuit 2) In a simple series circuit, why does the bulb go out when you open the switch? a) Because the battery goes flat b) Because opening the switch breaks the circuit c) Because too much electricity flows through the bulb 3) In a circuit diagram, what does a circle with a cross inside it represent? a) A light bulb b) A motor c) A battery d) A switch 4) What do the long straight lines represent in a circuit diagram? a) Motors b) Light bulbs c) Ammeters d) Wires 5) How is a cell represented in a circuit diagram? a) A circle with a cross inside it b) A circle with an A inside it c) A long line and a short line d) A zigzag line

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