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  1. ... diagram may clear out any confusion. (http://en. wikipedia .org/wiki/Choke_%28electronics%29). When...choke. This mechanism only works at a very high frequency . At low frequencies (f <...

    1 Answers · Science & Mathematics · 20/08/2012

  2. Not quite like the movies... http://en. wikipedia .org/wiki/Long_range_acoustic_device http://en. wikipedia .org/wiki/Sonic_weapon but, almost :)

    2 Answers · Science & Mathematics · 01/07/2013

  3. ... are physically huge; high frequency antennas (like on ... lines are very long, since they can run for ...transmission lines (http://en. wikipedia .org/wiki/War_of_...

    5 Answers · Science & Mathematics · 14/07/2006

  4. ...spare parts department. You also need the high power variable DC to drive the circuitry that ..., and enough power to start a major fire. Wikipedia An induction cooker uses induction heating...

    2 Answers · Science & Mathematics · 20/06/2008

  5. for high pass filters, time constant should be very small depends on frequency ranges microsec or nano or pico seconds., then only high frequency will be passed and low frequencies will be blocked/attenuated.

    2 Answers · Science & Mathematics · 07/04/2011

  6. ...more complete explanation - http://en. wikipedia .org/wiki/Skin_effect...again usually greater at higher frequencies ; this can be understood...loss, and this is actually a very complex topic.

    4 Answers · Science & Mathematics · 17/10/2010

  7. its some very high frequency kind of vibration foe very deatailed info check www. wikipedia .com and i also know that it is not very good for body i heard after...

    1 Answers · Science & Mathematics · 29/05/2009

  8. I'm not sure what you're describing, but look into this http://en. wikipedia .org/wiki/ Frequency -division_multiplexing

    1 Answers · Science & Mathematics · 25/04/2014

  9. Very high frequency (VHF) is the radio frequency range from 30 MHz to...as Ultra high frequency (UHF). See http://en. wikipedia .org/wiki/VHF for more information in this. Good ...

    5 Answers · Education & Reference · 26/12/2006

  10. ... sensitivity may not be as high . You can define sensitivity...the minimum sound at a particular frequency needed to hear it... typically play very soft pitches over the...look up "audiogram" on wikipedia .

    4 Answers · Science & Mathematics · 16/03/2008

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