Twenty bite-size snippets of key information relating to Electrical Principles / Science. Useful for revision and posters. It includes the following:
Cells & Batteries: The difference between them
Producing Heat: The effect of current flowing through a resistance
Resistors in series: Example showing how total series resistance is calculated
**Resistors in parallel: **Example showing how total parallel resistance is calculated
**Resistors in parallel 2: **Example showing an easier way of calculating total parallel resistance
Capacitor voltage ratings: Explains the effect on voltage rating for capacitors connected in series and parallel
Capacitors in series: Examples showing how total series capacitance is calculated
**Capacitors in series 2: ** Example showing an easier way of calculating total series capacitance
Capacitors in parallel: Example showing how total parallel capacitance is calculated
Charge in capacitors: Example showing how the stored charge is calculated
RC Timing: Showing how the RC time constant is calculated
**Magnetism: **Applications of soft iron, steel and copper
**Induction: **Gives a brief description of mutual induction, self induction and dynamic induction
**Transformers: **Labeled diagram of transformer and example calculation showing how secondary voltage is calculated
**Self induction: **Explanation of self induction and example of calculating EMF
Capacitor theory: Showing how capacitance is calculated if the physical characteristics are known
Force, Mass and Acceleration: Example of F = m x a
**Inductive and Capacitive Circuits: **Brief description on current and phase in capacitors and inductors
**SI Units: **A table showing common electrical units
**Formulae: **A table showing common electrical formulas