2022BPHO競賽時間已公布，BPHO競賽含金量如何？
說到物理領域的學術活動“大哥大”，美國有Physics Bowl“物理碗”，英國則有BPHO英國物理奧林匹克學術活動。如果你對物理感興趣，想通過學術活動為自己的申請加分，那么各位物理迷，一定也不能錯過BPhO哦！ BPhO英國...
Edexcel A Level Physics:復習筆記7.10 Energy Stored by a Capacitor
Energy Stored by a Capacitor When charging a capacitor, the power supply 'pushes' electrons to one of the metal plates It therefore does?work?on the electrons and?electrical energy?becomes stored o...
2022-2023年熱門競賽項目有哪些？爬藤Buff怎么加？
2022-2023年熱門學術活動項目有哪些？值得報名嗎？要怎么準備？小編總結了幾大熱門學術活動，盡早報名還可享早鳥報名優惠，提前選擇隊友，為“沖獎爬藤”做準備。 NEC全美經濟學挑戰 National Economics Challenge...
2022 BPHO物理競賽報名已開啟，BPHO競賽難度如何？
在標化成績不具有最佳競爭力的時候，要靠什么脫穎而出呢？對于想要申請牛劍G5等等名校的學生來說，能在BPhO學術活動中拿到獎項，無疑就是證明物理類學術能力的有效途徑，且能夠幫助同學們打下很好的牛劍G5筆面試...
Edexcel A Level Physics:復習筆記7.9 Capacitance
Capacitance Capacitors are electrical devices used to store energy in electronic circuits, commonly for a backup release of energy if the power fails Capacitors do this by storing electric?charge, ...
2023夏季A-Level/GCSE大考計劃公布，高分比例將整體下降！
轉眼開學已有一個多月，國內各省市陸續發布新學期階段學習/考試等政策，和體制內一樣，英國教育部也在“黃金九十月”發布GCSE最新政策。 9月下旬，英國教育部(Department of Education)和考試監管機構Ofqual(The Of...
Edexcel A Level Physics:復習筆記7.8 Representing Radial & Uniform Electric Fields
Using Field Lines & Equipotential Diagrams The direction of electric fields is represented by?electric?field?lines Electric field lines are directed from positive to negative Therefore, the fie...
Edexcel A Level Physics:復習筆記7.7 Electric Potential for a Radial Field
Electric Potential for a Radial Field Electric Potential Energy In order to move a positive charge closer to another positive charge, work must be done to overcome the force of repulsion between th...
Edexcel A Level Physics:復習筆記7.6 Electric Field between Parallel Plates
Electric Field between Parallel Plates The magnitude of the electric field strength in a?uniform?field between two charged parallel plates is defined as: Where: E?=?electric field strength?(...
Edexcel A Level Physics:復習筆記7.5 Electric Field & Potential
Electric Field & Potential A positive test charge has electric?potential?energy?due to its position in an electric field The amount of electric potential energy depends on: The magnitude of cha...
2022 AMC10/12競賽倒計時，AMC歷年真題集等你來領！
AMC是美國數學思維活動（American Mathematics Competitions）的簡稱，是一項面向世界中學生的數學思維訓練，目前每年全球有超過6000所學校的30萬名學生參加該活動，是當今世界上最科學、最權威、最具信譽度的數...
Edexcel A Level Physics:復習筆記7.4 Electric Field due to a Point Charge
Electric Field due to a Point Charge The?electric field strength?describes how strong or weak an electric field is at that point A?point charge?produces a?radial?field A charge sphere also acts lik...
