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Junior High
Science
想問第14題
Science
Junior High
about 2 monthsago
⚡️⚡️
想問第14題
甲NN S - N S wwwww X HT m 電流大小的可變電阻K, K 1 甲、乙兩線圈一同繞在一 鐵棒上,其中甲線圈串接 電池、開關S與可改變 T 乙線圈串接一燈泡,透過對可變電阻的操作,可使 燈泡發亮。有關甲、乙兩線圈的敘述,下列何者錯 誤? (A)甲線圈的原理是電流的磁效應 (B)乙線圈的原理是電磁感應 (C)甲線圈的原理和發電機相同 (D)此裝置說明電流可以產生磁場,線圈內磁場若發 生變化可以產生電流 AA
Answers
PEI
about 2 monthsago
發電機的原理是電磁感應喔
甲用到的時候的是電流磁效應
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