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 6) What happens to the brightness of the lamps in a series circuit when you add more lamps? a) It decreases b) It increases c) It stays the same 7) What happens to the brightness of the lamps in a series circuit when you add more cells? a) It decreases b) It increases c) It stays the same 8) What happens to the brightness of the lamps in a parallel circuit when you add more lamps? a) It decreases b) It increases c) It stays the same 9) What happens to the lamps in a parallel circuit when one of the lamps blows? a) They all go out b) They get brighter c) They stay the same d) They get dimmer 10) What happens to the lamps in a series circuit when one of the lamps blows? a) They all go out b) They get brighter c) They stay the same d) They get dimmer 11) Adding a component in parallel means... a) Adding it on the same loop b) Adding it on a different loop c) They can be switched on and off individually d) All the components go on and off together 12) Adding a component in series means... a) Adding it on the same loop b) Adding it on a different loop c) They can be switched on and off individually d) All the components go on and off together

Series and Parallel Circuits Quiz

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