如果您能在此電工測驗中獲得75%的分數，您基本上就是一位合格的大師，我們向您致敬！

萬用表是一種多功能工具，可以測量電壓、電流和電阻，當設置為連續性模式時，它有助於識別電路是否完整。此功能對於確保電氣連接完好無損且安全至關重要。現代萬用表還可以包括溫度測量和數據記錄等附加功能，用於更高級的電氣診斷。萬用表是電工的關鍵工具，用於測量電壓、電流和電阻等電氣特性。這允許對電路進行故障排除和驗證其性能。與絕緣或剝線工具不同，萬用表提供精確測量，以確保安全準確的電氣工作。突波保護器透過分流由電湧或雷擊引起的過電壓來保護電氣設備。它防止對敏感電子產品造成損壞，確保其使用壽命。突波保護器不影響設備速度、功耗或信號強度，而只專注於電壓調節。剝線鉗專門設計用於去除電線的絕緣層而不損壞導體。此工具確保乾淨精確的切割，使電線更容易安全連接。鉗子、螺絲起子和萬用表用於不同目的，不適用於剝除絕緣層。電氣絕緣體，例如橡膠或塑膠，用於阻擋電流流動，防止不必要的電氣連接或電擊。與導體不同，絕緣體不增強導電性或儲存能量，而是透過隔離電氣元件來確保安全。斷路器透過在過載或短路時自動中斷電流流動來保護電路。這可以防止對電線和設備造成損壞，降低火災風險。它不轉換電流、儲存能量或增加電壓。電氣接地為雜散電流提供了一條安全的途徑，使其流入大地，防止電擊或設備損壞。接地透過穩定電壓水平來確保安全，不常用於儲存能量或改變電阻或電壓。GFCI 會監測電流流動，一旦偵測到不平衡（例如電流洩漏到地），會迅速切斷電源，以防止電擊。GFCI 通常用於潮濕區域，如浴室，對安全至關重要，它不測量電流或增強信號。電路測試儀用於檢測電路中是否存在電壓，確保工作安全。它不供電、不測量電阻、不連接電路，而是提供一種快速可靠的方式來驗證電路是否帶電。變壓器用於調整電路中的電壓水平，升高或降低電壓以滿足不同設備或系統的需求。它不直接導電、不測量電阻、不儲存能量，但對高效配電至關重要。三相電力系統能更有效地輸送電力，提供一致的電流，與單相系統相比，所需導體材料更少。它非常適合重型機械和大型設施，不適用於無線傳輸、降低成本或簡化設計。電線導管是一種保護性管道，用於容納和佈線電線，保護其免受損壞和環境因素的影響。它確保安全有序的電線安裝，不儲存能量、不轉換電流、不增加電阻。LED 燈比白熾燈消耗的能量明顯更少，因此更節能且長期來看更具成本效益。雖然它們提供多種顏色選擇，但其主要優勢是效率，而不是溫暖或較低的初始成本。電路過載發生在過多設備耗電時，導致斷路器頻繁跳閘以防止過熱或火災。燈光閃爍可能表示其他問題，但斷路器跳閘是過載最常見的跡象。載流量是指導體或設備在過熱或損壞前能承載的最大電流。這是選擇適當電線和確保安全電氣安裝的關鍵因素。銅線因其優異的導電性、耐用性和耐腐蝕性而被廣泛用於住宅電氣佈線。雖然有時會使用鋁，但銅因其在家庭應用中的可靠性和安全性而更受青睞。保險絲是一種安全裝置，當電流過大時會熔斷並斷開電路，防止損壞或火災。它不測量電流、不儲存能量、不增加電壓，而是作為電路保護的犧牲組件。在美國電氣佈線中，中性線通常是白色或灰色。這種顏色標準有助於電工識別中性導體，它將電流帶回電源，確保安全和一致的佈線實踐。電壓測試儀是一種簡單的工具，用於檢查電路或電線是否帶電，確保在進行電氣工作前的安全。它不測量電阻、不剝線、不連接電路，只是確認是否存在電壓。歐姆是電阻的單位，測量材料對電流流動的阻礙程度。它是電路設計中的一個關鍵參數，並使用萬用表等工具設置在電阻模式下進行測量。接線盒用於封裝和保護電氣連接，防止暴露於環境危害並減少電氣故障的風險。它不儲存能量、不增加電壓、不測量電流。瓦特計測量設備的功率消耗（以瓦特為單位），有助於評估能源使用。與測量電壓、電流或電阻的萬用表不同，瓦特計專門用於功率測量。在美國，標準住宅插座大多為 120 伏特，適用於大多數家用電器。像烘衣機或烤箱等特定高功率設備則使用 240 伏特，但一般插座的標準電壓是 120 伏特。非接觸式驗電筆可偵測電線或設備中的電壓，無需直接接觸，提高電氣作業安全性。它不適用於剝線、測量電阻或連接電線。電氣絕緣膠帶用於包覆和絕緣裸露電線，防止觸電和短路。它由乙烯基等絕緣材料製成，不導電、不測量電壓，也不用於剝線。接地故障斷路器（GFCI）插座監測電流，若偵測到接地故障會切斷電源，防止觸電。它常用於潮濕區域，如廚房，不儲存能量或增強信號。斷路器面板（或電氣面板）將主電源的電力分配到家中的各個電路。它內含斷路器以保護電路，不轉換電流、不測量用電量，也不儲存能量。螺絲起子用於擰緊電氣連接中的螺絲，確保安裝牢固安全。錘子、剝線鉗和萬用表有不同的用途，不適合擰緊連接。電容器暫時儲存電能並在需要時釋放，常在電路中用於穩定電壓或濾波信號。它不測量電流、不增加電壓，也不中斷電源。AC 代表交流電（Alternating Current），電流方向會週期性反轉。它是住宅和建築物中使用的標準電力形式，不同於直流電（DC），直流電的電流只沿一個方向流動。調光開關可讓使用者透過控制傳輸到燈具的電量來調整燈光的亮度。它不會測量光線、增加電壓或儲存能量，而是增強照明的靈活性。透過連接過多設備使電路過載會導致過熱，引發電氣火災。正確的接地和LED燈可降低風險，萬用表是診斷工具，而不是火災原因。導管彎管器是一種用於彎曲導管的工具，讓電工可以透過複雜的路徑佈線。它不測量電壓、剝線或連接電路，但對於導管安裝至關重要。塑膠（通常是PVC）由於其耐用性、經濟性和耐腐蝕性，常用於電氣導管。木材、玻璃和紙不適合保護和佈線。繼電器使用低功率訊號控制高功率電路，作為自動化或安全的開關。它不測量電流、儲存能量或增加電壓，但可以實現遠端或自動控制。穿線帶是一種柔性工具，用於將電線穿過導管或牆壁，簡化接線安裝。它不測量長度、剝離絕緣層或測試電路，但對於佈線至關重要。在美國的電氣系統中，地線通常是綠色或裸銅，確保易於識別以確保安全。這條電線為雜散電流提供了一條安全路徑，降低了觸電的風險。負載中心，也稱為斷路器面板，將電力分配到家中的各種電路。它容納斷路器以確保安全，並且不儲存能量、測量電壓或轉換電流。壓接工具旨在透過壓縮將連接器牢固地連接到電線，確保可靠的連接。螺絲刀、萬用表和剝線鉗具有不同的功能，不用於壓接。RCD檢測電流不平衡並跳閘以防止因接地故障等故障引起的電擊或火災。它是一個關鍵的安全裝置，不增加電壓、測量功率或儲存能量。You scored 0 out of 40You scored 1 out of 40You scored 2 out of 40You scored 3 out of 40You scored 4 out of 40You scored 5 out of 40You scored 6 out of 40You scored 7 out of 40You scored 8 out of 40You scored 9 out of 40You scored 10 out of 40You scored 11 out of 40You scored 12 out of 40You scored 13 out of 40You scored 14 out of 40You scored 15 out of 40You scored 16 out of 40You scored 17 out of 40You scored 18 out of 40You scored 19 out of 40You scored 20 out of 40You scored 21 out of 40You scored 22 out of 40You scored 23 out of 40You scored 24 out of 40You scored 25 out of 40You scored 26 out of 40You scored 27 out of 40You scored 28 out of 40You scored 29 out of 40You scored 30 out of 40You scored 31 out of 40You scored 32 out of 40You scored 33 out of 40You scored 34 out of 40You scored 35 out of 40You scored 36 out of 40You scored 37 out of 40You scored 38 out of 40You scored 39 out of 40You scored 40 out of 40

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NextNext QuizIncorrectCorrectGenerating your resultRetryOops, Quizday rookie! Don't worry, even the greatest quiz masters had to start somewhere. You may have stumbled this time, but every mistake is an opportunity to learn and grow. Keep on quizzing, Quizday newbie, and let your thirst for knowledge guide you towards greatness!Hooray for trying, Quizday explorer! You may not have aced the quiz this time, but you're like a brave adventurer trekking through uncharted territories. Keep exploring, Quizday fan, and let your inquisitive spirit be your guide to the riches of knowledge. Who knows what wonders await you on your next quiz quest?Great effort, Quizday adventurer! You're like a curious cat exploring the world of trivia with wide-eyed wonder. Keep on quizzing, Quizday fan, and let your enthusiasm for knowledge propel you towards success. Remember, even the most experienced quiz champions started somewhere. You're on your way to greatness!Hooray for taking the Quizday challenge! 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鉗子

螺絲起子

萬用表

歡迎來到熟練電工測驗，旨在測試您對基本電氣概念和工具的知識！無論您是抱負遠大的電工還是經驗豐富的專業人士，此測驗都將透過關於電路、工具、安全等實用問題來挑戰您。從識別適合工作的工具到理解電氣系統，這40個問題將衡量您的專業知識。目標是達到75%或更高的分數，以證明您是該領域的大師。每個問題都附有四個選項、一個正確答案和詳細的解釋，以幫助您學習。準備好激發您的技能並發光發亮吧！

初級電工

歡迎來到熟練電工測驗，旨在測試您對基本電氣概念和工具的知識！無論您是抱負遠大的電工還是經驗豐富的專業人士，此測驗都將透過關於電路、工具、安全等實用問題來挑戰您。從識別適合工作的工具到理解電氣系統，這40個問題將衡量您的專業知識。目標是達到75%或更高的分數，以證明您是該領域的大師。每個問題都附有四個選項、一個正確答案和詳細的解釋，以幫助您學習。準備好激發您的技能並發光發亮吧！

如果您能在此電工測驗中獲得75%的分數，您基本上就是一位合格的大師，我們向您致敬！

初級電工

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初級電工

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