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Wind - Our Fierce Friend

Wind - Our Fierce Friend

Description:: A site which develops the ideas of moving air as a friend and as an enemy. Its uses as a source of energy, fun and a cause of damage.
Keywords:: camp, convection, current, energy, hurricane, multimedia, wind,

Hits:307
Rated 1 out of 5 stars

Basic Circuits

Basic Circuits

Description:: A starter guide to electricity and the basics needed for UK GCSE level.
Keywords:: ammeter, ampere, battery, cell, circuit, coulomb, current, difference, diode, electric, fuse, gcse, led, ohm, ohmmeter, parallel, potential, resistance, resistor, revision, series, switch, symbol, voltage, voltmeter,

Hits:662
Rated 4 out of 5 stars

Impedance

Impedance

Description:: While Ohm's Law applies directly to resistors in DC or in AC circuits, the form of the current-voltage relationship in AC circuits in general is modified where I and V are the rms or "effective" values and a quantity Z is called impedance
Keywords:: ac, admittance, circuit, current, dc, hyperphysics, impedance, law, ohm, resistance, rms, root, squared, voltage,

Hits:320
Rated 1 out of 5 stars

Electricity in Education Parents and Teachers

Electricity in Education Parents and Teachers

Description:: A well presented site that explains various aspects of electricity.
Keywords:: adapt, alessandro, ampere, andre, benjamin, breaker, charles, circuit, current, edison, efficient, electric, energy, faraday, ferranti, franklin, fuse, galvani, james, luigi, meter, michael, ohm, parsons, plug, resistance, sebastian, thomas, volt, volta, watt, wire, ziani,

Hits:434
Rated 1 out of 5 stars

AC/DC: What's the Difference?

AC/DC: What's the Difference?

Description:: This site explains the difference between alternating and direct current (AC and DC) using good graphics and animations.
Keywords:: alternating, ampere, current, direct, edison, electric, westinghouse,

Hits:372
Rated 1 out of 5 stars

How Relays Work

How Relays Work

Description:: A brief description of how Relays work. This site is part of Marshall Brain's HowStuffWorks.com.
Keywords:: coil, current, dpdt, electromagnet, high, relay, switch,

Hits:229
Rated 1 out of 5 stars

Thermals

Thermals

Description:: A collection of practicals on air pressure changes due to heat.
Keywords:: aerodynamic, aeronautics, air, airplane, current, drag, experiment, fly, force, lift, plane, pressure, thermal,

Hits:335
Rated 1 out of 5 stars

A C Circuit

A C Circuit

Description:: The site shows a circuit diagram of an AC circuit and the graphical representation of voltage across the capacitor and the inductor
Keywords:: ac, capacitor, circuit, current, frequency, impedance, inductor, multimedia, resistance, resonance, voltage,

Hits:289
Rated 1 out of 5 stars

Electromagnet

Electromagnet

Description:: Electromagnets are usually in the form of iron core solenoids. The ferromagnetic property of the iron core causes the internal magnetic domains of the iron to line up with the smaller driving magnetic field produced by the current in the solenoid.
Keywords:: core, current, electric, electromagnet, field, hyperphysics, iron, magnet, solenoid,

Hits:224
Rated 1 out of 5 stars

Potential Difference

Potential Difference

Description:: Short explanation of potential difference in circuits with links to related topics.
Keywords:: battery, cell, current, difference, electric, potential, voltage,

Hits:670
Rated 1 out of 5 stars

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