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Types of Electrical Circuits

Short summary of the properties of series and parallel suitable for UK GCSE level.

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Ohm's law

Basics of electrostatics and properties of electricity. Ohm's Law and basic circuitry used to see the effect of resistance on current.

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Ohm's Law

Explanation of Ohm's law, the relationship between voltage, resistance and current intensity . Includes a calculator for solving basic problems.

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Ohm's law

A picture of a circuit in which you can change the resistance and voltage. You can see the result of your adjustment on a digital voltmeter, and millimeter. Includes a statement and description of ...

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hyperphysics

Doping Of Semiconductors

The addition of a small percentage of foreign atoms in the regular crystal lattice of silicon or germanium produces dramatic changes in their electrical properties.

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Microphone

Microphones are transducers which detect sound signals and produce an electrical image of the sound

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How headphones work

How do headphones turn an electrical signal into sound. Find out how and have a look inside an earphone.

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The physical effect that creates tiny electrical storms in your body

An article explaining the thermodielectric effect and where it occurs.

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The Resistor Guide

A complete reference about electrical resistors. This site contains information and facts about resistors, varistors, potentiometers, thermistors and more

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Articles on electricity

A thorough and passionate clarification of the many misconceptions in electrical study which arise at school. Ideal for non-specialist staff who are not too sure what "electricity" actually is.

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