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RMS Current

Circuit currents and voltages in AC circuits are generally stated as root-mean-square or rms values rather than by quoting the maximum values. The root-mean-square for a current is calculated by ...

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Hits: 2186

Ohm's Law

Java Applet simulating a current-voltage experiment for a resistor

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Hits: 2802

Charge, current, voltage and resistance

Short summary for UK GCSE level.

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Hits: 2367

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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Hits: 2088

Virtual Laboratory: voltage

This excellent java applet allows circuits to be created as a means to empirically establish the Ohm's Law relationship.

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Hits: 1560

Simple AC Circuits

Java Applet simulating the current-voltage relationships for a resistor, capacitor or inductor connected to an AC source.

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Hits: 1851

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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Hits: 2799



Capacitance is typified by a parallel plate arrangement and is defined as: "The amount of charge which can be stored per unit voltage applied to a device"

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Hits: 1313

AC generator

A diagram on which you can adjust the frequency of rotation. You can them observe the voltage induced on an analogue meter, and an oscilloscope screen. Good description of the slip ring.

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Hits: 1333

Simple Electromagnetic Motor

Building high (static) voltage motor from plastic bottles. This is an interesting site with some good links.

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Hits: 2248

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