Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 1.5.8 Empirical & Molecular Formulae Empirical & Molecular Formulae The?molecular?formula?is the formula that shows the?number?and?type?of each atom ...
Fleming's Left Hand Rule The?direction?of the force on a charge moving in a?magnetic field?is determined by the direction of the magnetic field and the current Recall that the direction of t...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記 1.5.7 Practical: Determine the Formula of a Metal Oxide Practical: Determine the Formula of Magnesium Oxide Aim: To determine the empirical formula of magnesium oxi...
Magnetic Force on a Current-Carrying Conductor A current-carrying conductor produces its own?magnetic field When interacting with an external magnetic field, it will experience a?force  ...
A-level生物有兩大難點(diǎn)，一是知識(shí)太多太雜，需要記憶的內(nèi)容很多，二是生物涉及的數(shù)學(xué)部分，也讓很多數(shù)學(xué)底子不太好的同學(xué)感到頭疼。今天就一起來(lái)看看學(xué)習(xí)A-level生物必須要掌握的數(shù)學(xué)技能及知識(shí)點(diǎn)！ A-level生物...
Discrete Probability Distributions What is a discrete random variable?? A?random variable?is a variable whose value depends on the outcome of a?random event The value of the random variable is not ...
Edexcel IGCSE Chemistry 復(fù)習(xí)筆記1.5.6 Experiment: Finding Formulae of Compounds Formulae of Simple Compounds by Experiment Making Careful Quantitative Measurements The formulae of simple com...
Required Practical: Charging & Discharging Capacitors Aim of the Experiment The overall aim of this experiment is to calculate the capacitance of a capacitor. This is just one example of...
Capacitor Discharge Equation The?time constant?is used in the exponential decay equations for the current, charge or potential difference (p.d) for a capacitor discharging through a resistor...
