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  2. Dimmer - Wikipedia

    en.wikipedia.org/wiki/Dimmer

    This circuit is called a leading-edge dimmer or forward phase dimming. Waveform of the output voltage of a thyristor dimmer set for 60 volts RMS output, with 120 V input. The red trace shows the output device switching on about 5.5 ms after the input (blue) voltage crosses zero.

  3. Trailing edge - Wikipedia

    en.wikipedia.org/wiki/Trailing_edge

    The trailing edge of an aerodynamic surface such as a wing is its rear edge, where the airflow separated by the leading edge meets. [1] Essential flight control surfaces are attached here to control the direction of the departing air flow, and exert a controlling force on the aircraft. [ 2 ]

  4. Signal edge - Wikipedia

    en.wikipedia.org/wiki/Signal_edge

    A rising edge (or positive edge) is the low-to-high transition. [1] A falling edge (or negative edge) is the high-to-low transition. [1] In the case of a pulse, which consists of two edges: The leading edge (or front edge) is the first edge of the pulse. The trailing edge (or back edge) is the second edge of the pulse.

  5. Talk:Dimmer - Wikipedia

    en.wikipedia.org/wiki/Talk:Dimmer

    2 Rheostat dimmer? 4 comments. 3 Something in ?Spainish? 2 comments. 4 Mistake. 1 comment ...

  6. Chord (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Chord_(aeronautics)

    Aerofoil nomenclature showing chord line Chord line of a turbine aerofoil section. Chords on a swept-wing. In aeronautics, the chord is an imaginary straight line segment joining the leading edge and trailing edge of an aerofoil cross section parallel to the direction of the airflow.

  7. New Kindle? Here are 10 accessories you need - AOL

    www.aol.com/lifestyle/new-kindle-here-are-10...

    This page turner works on any capacitive screen (i.e. screens that operate using the body's electrical currents), and includes a clip that goes onto the screen and remote you use can across a ...

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