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...
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...
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, ...
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...
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...
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...
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?(...
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...
