Edexcel A Level Physics:復習筆記3.7 Electrical Power
Electrical Power Work is also defined as a transfer of energy When components transfer electrical energy to other stores, work must be done because energy is transferred Therefore,?potential differ...
Edexcel A Level Physics:復習筆記3.6 Resistance in Series & Parallel
Deriving Equations for Resistance in Series & Parallel Resistors In Series When two or more components are connected in series: The combined resistance of the components is equal to the sum of ...
Edexcel A Level Physics:復習筆記3.5 Energy Conservation in Circuits
Energy Conservation in Circuits The Electrical Voltages Rule (Kirchhoff's Second Law) Energy is never used up or lost in a circuit, since everything follows the Law of Conservation of Energy The el...
Edexcel A Level Physics:復習筆記3.4 Charge Conservation in Circuits
Charge Conservation in Circuits The Electric Current Rule (Kirchhoff's First Law) The electric current rule is defined as: The algebraic sum of the currents entering and leaving a junction is equal...
Edexcel A Level Physics:復習筆記3.3 Ohm's Law
Defining Resistance Resistance Resistance is defined as the?opposition?to current It is further defined by Ohm's Law, which says that the resistance of a conductor is given by the ratio of p...
Edexcel A Level Physics:復習筆記3.2 Potential Difference
Potential Difference Potential Difference A cell makes one end of the circuit positive and the other negative This sets up a?potential difference?across the circuit This is sometimes known as the?v...
Edexcel A Level Physics:復習筆記3.1 Electric Current
Electric Current Electric Current Electric current is defined as: The rate of flow of charge It is measured in units of?amperes (A)?or?amps The charge, current and time are related by the equation:...
UCL 2023入學ALevel、IB成績要求！
英國名校眾多，其中G5大學代表了英國最高研究和學術水平，因此，G5大學對申請者的成績要求都是“沒有最高只有更高”。今天就一起來看看UCL 2023入學ALevel、IB成績要求！ UCL A-Level標準入學要求 是A*A*A-ABB。當...
2022年最不受歡迎的10大A-level科目排名！
A-Level（General Certificate of Education Advanced Level ），英國高中課程，是英國全民課程體系，是英國普通中等教育證書考試高級水平課程，也是英國學生的大學入學考試課程。 A-Level科目的受歡迎度在一定程...
