# Yahoo Web Search

1. ### High Resonance frequency ?

... 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. ### Can high frequencies really stun someone?

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. ### If electricity were delivered at a higher frequency then 60 Hz would it be more efficient?

... 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. ### high frequency dc-ac inverter for induction coil?

...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. ### A high pass filter question?

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. ### Why is the attenuation of coaxial cable affected by high frequencies and not low frequencies ?

...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. ### Need much info on Ultrasonics?

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. ### How could a high frequency be sent using a low frequency carrier, low enough to transmit through dirt?

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. ### What does V H F stands for?

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. ### If I can hear better than someone else, is it correct to say that my ears 'collect' higher frequencies ?

... 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