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You searched for “current”

144 websites were found

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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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