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Here you will find a wide range of materials for Design & Technology and Engineering.

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Here you will find a wide range of materials for Design & Technology and Engineering.
Basic Electrical Principles Posters (20 posters)
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Basic Electrical Principles Posters (20 posters)

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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