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Technology 9 - 2025
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28. A diode allows current to flow in:
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30. Which component is used to amplify electrical signals?
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29. What is a common application of a light-emitting diode (LED)?
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27. What is the main function of a resistor in a circuit?
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25. Which gear system is used in a car’s differential to allow wheels to rotate at different speeds?
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26. What component is used to store electrical energy in a circuit?
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24. What is the function of an idler gear?
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23. In a gear train, if the driving gear has 10 teeth and the driven gear has 20 teeth, the speed of the driven gear will:
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22. What type of gear is used to change the direction of force by 90 degrees?
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21. Gears are used to:
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