2023年香港AP考試報名時間正式開始！
2023年的AP考試，大陸考試報名已經于9月19日開始，中國香港考評局更新了2023年的AP考試報名時間信息。2023年香港AP報名將于本周四10月13日北京時間上午9:00正式開始！ 美國大學理事會在2020年暫停了與教育部的合...
美國Top 10大學專業排名發布，附對應AP科目和院校推薦
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Edexcel A Level Physics:復習筆記7.19 Lenz's Law
Lenz's Law Lenz’s Law is used to predict the?direction?of an induced e.m.f in a coil or wire Lenz's Law is summarised below: The induced e.m.f is set up in a direction to produce effects that oppos...
Edexcel A Level Physics:復習筆記7.18 Induced E.M.F between Linked Coils
Induced E.M.F between Linked Coils An?e.m.f?can be induced in a coil when there is a change of current in another coil linked with this coil This is what happens in a?transformer Transformers A tra...
Edexcel A Level Physics:復習筆記7.17 Induced E.M.F in a Moving Coil
Induced E.M.F in a Moving Coil Electromagnetic induction is a phenomenon which occurs when an?e.m.f?is induced when a conductor moves through a magnetic field If there is a change in?magnetic flux?...
Edexcel A Level Physics:復習筆記7.16 Magnetic Force on a Current-Carrying Conductor
Magnetic Force on a Current-Carrying Conductor A current-carrying conductor produces its own?magnetic field An?external magnetic field?will therefore exert a?magnetic?force?on it A current-c...
Edexcel A Level Physics:復習筆記7.15 Magnetic Force on a Charged Particle
Magnetic Force on a Charged Particle The magnetic force on an isolated moving charged particle, such as a proton, is given by the equation: F?=?BQv Where: F?= magnetic force on the particle (N) B?=...
Edexcel A Level Physics:復習筆記7.14 Magnetic Flux Density, Flux & Flux Linkage
Magnetic Flux, Flux Density & Flux Linkage Magnetic Flux Density The strength of a magnetic field is defined by the density of the magnetic field lines, or?magnetic flux density, at that point ...
AP計算機科學A學習什么內容？附CB官方推薦學習網站
大學打算學習計算機，AI人工智能等方向專業的同學在AP課程階段肯定少不了會選擇計算機科學這一科；本期我們就來給各位同學講講這門奇妙的課程！ AP計算機科學課程系列包括兩門課程，學生可以選擇以任意順序修讀或...
