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8thgrade

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國中自然3上4-3

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  • 1. Multiple Choice
    1 minute
    1 pt
    水流與電流有許多相似之處,故常被拿來互作比喻,試問在下列比喻中,有哪些是合理的?甲.水流相當於電流;乙.水管相當於導線;丙.抽水機相當於電池;丁.水量相當於電量。
    甲乙丙丁
    甲丙
    乙丁
    甲乙丙
  • 2. Multiple Choice
    1 minute
    1 pt
    將3個1.5伏特的電池串聯後,電池組的總電壓為多少伏特?
    0.5
    1.5
    3
    4.5
  • 3. Multiple Choice
    1 minute
    1 pt
    將3個1.5伏特的電池並聯後,電池組的總電壓為多少伏特?
    0.5
    1.5
    3
    4.5
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