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Cambridge Secondary (7-9). Stage 9. MCE Science. Workbook - Unit 12: Electrical Circuits - Question 11

Cambridge Secondary (7-9) · Unit 12: Electrical Circuits

Question 11

Imagine that you have a portable music player that requires 6 V and 1 A or more to work. However, you do not have a single electrical cell that meets these requirements. Instead, you have the following:
- Four 1.5 V AA cells, each providing 0.5 A
- Three 2 V cells, each providing 0.5 A

Your task is to combine these electrical cells in series and/or parallel to achieve exactly 6 V and as close to 1 A or more to be able to power your music player.

Caution: Electronic devices are often sensitive to incorrect voltages. Do not experiment with voltages without supervision.

Look at the picture. Should you arrange the four 1.5 V AA cells in series or in parallel to create a total of 6 V? Explain your arrangement.

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