{"type":"product","schema_version":"1.0","item_id":"101517613520","canonical_url":"https://tw.bid.yahoo.com/item/101517613520","title":"哥白尼的實驗室/物理/靜電感應實驗組/枕形導體 球形導體/靜電實驗 感應起電 接觸起電 正電負電實驗 電學實驗","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-28T10:47:21.351Z","current_price":280,"original_price":null,"stock_status":"in_stock","available_quantity":3994,"sold_quantity":2,"seller":{"id":"Y5637168551","name":"哥白尼的實驗室","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/7e26c3d4-6443-4ab4-9a6f-8ce6982a2ac2.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/8c4f3351-e96e-47c2-9b01-1b206279138d.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/72d34cf3-c778-4a55-b251-9184fda345db.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null}],"description":"*枕形導體： 表面鍍鎳（鍍鋅或鍍鉻）的金屬外殼，呈枕形。 三角基座。\n\n*操作方式：\n\n1.將兩個枕形導體的表面對齊，確保良好接觸。\n\n2.將帶電體(如球形導體或靜電棒)靠近枕形導體的一端，但不直接接觸。\n\n3.握住另一端的導體的絕緣桿，分開兩個導體，然後移開帶電體。\n\n4.由於靜電感應，兩個枕形導體將分別帶上相反極性的電荷。\n\n5.分別將它們與驗電器的金屬桿接觸，展示電荷分佈。\n\n6.實驗結束後先將它們相互接觸，然後再觸碰驗電器，證明電荷中和。\n\n*球形導體操作方式：\n\n1.首先將球形導體帶電並靠近驗電器的頂端。\n\n2.驗電器內的電荷會重新分布，使頂端帶有與物體相反的電荷，而箔片則帶有與物體相同的電荷。\n\n3.由於兩個箔片所帶的電荷是相同的，它們將會互相排斥而分開。這時驗電器仍然不帶電，只是電荷重新分布了。\n\n4.用手指接觸驗電器的頂端，則電荷將因帶電物體的吸引而從大地流入驗電器的頂端。\n\n5.此時驗電器所帶的電荷是與帶電物體相反的。如果這時候把手指移開，則流入驗電器內的電荷將不能逃脫，\n\n   這樣驗電器便帶有電荷。因此，即使現在把帶電物體移開，兩個箔片也不會重新合攏。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"面交/自取/不寄送","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"26018","category_name":"其他益智遊戲/玩具","breadcrumb":[{"id":"25464","name":"玩具、模型與公仔","url":"/tw/%E7%8E%A9%E5%85%B7%E3%80%81%E6%A8%A1%E5%9E%8B%E8%88%87%E5%85%AC%E4%BB%94-25464-category.html"},{"id":"2092074497","name":"益智遊戲/玩具","url":"/tw/%E7%9B%8A%E6%99%BA%E9%81%8A%E6%88%B2-%E7%8E%A9%E5%85%B7-2092074497-category.html"},{"id":"26018","name":"其他益智遊戲/玩具","url":"/tw/%E5%85%B6%E4%BB%96%E7%9B%8A%E6%99%BA%E9%81%8A%E6%88%B2-%E7%8E%A9%E5%85%B7-26018-category.html"}],"view_count":0,"watch_count":0}