# When do objects Resonate?

#### triggernum5

Joined May 4, 2008
216
And charge responds when subjected to the potential energy difference.. Seriously, its exactly analogous to a gravitational 'field'..
Its all about 'potential'.. if no electron gets to tap into that field then the 'potential' for an electron to fit nicely into your equations just wasn't realized..

#### Wendy

Joined Mar 24, 2008
21,906
I can understand a lot of your confusion, beginners in electronics and RF are taught a lot of concepts that aren't really accurate, but get them on the road to learning. Later these concepts are tweaked to more accurate models. Just be aware of the two schools of thought.

For example, AM is a really easy to understand explanation, easy to work with, and works in most circuit designs. You can understand how a crystal radio works with it. It isn't until you get into carrier waves and sidebands that you realize the flaws of the first model. In real life they don't matter though, it is a lot like Newtonian physics and Einsteinian, both models work within limits.

They only reason I mention this is don't assume you have a complete understanding, you can have a paragram shift later. The subject is complex enough there is a building process involved during learning.

#### triggernum5

Joined May 4, 2008
216
There is a pretty hefty thread in here called "a treastise on voltage" iirc.. Its a big collaboration/argument regarding the definition/concept of voltage..

#### Mathematics!

Joined Jul 21, 2008
1,036
Ok I figured it out apparently books that say potiential difference (voltage) is the work per charge only applies when we have charges involved. But the more general definition should be taught as
integral of E * ds. Then the definition can be made independent of charge.
So voltage only depends on the electric field and the displacment, not really a charge.

Anyway the book never really stressed this fact.

Sorry We mathematicians are picky with definition kinds of things.

Anyway where can you get inductors because at radioshack they only sell capacitor's. They also sell chokes but I don't really understand the point of these.

If they don't sell inductors then can I just use a coil of wire?
Or will this be to imprecise? Because I cann't make that simple radio don't have a Germ... diode. I do have other diodes though.

#### beenthere

Joined Apr 20, 2004
15,819
Check with Jameco (jameco.com) and see if they don't still have 1N34's.

The Shack will have RF chokes that are intended to eliminate RF from a power lead. They are inductors, but not useful in your application. Wish I still had the 1924 Pop Mechanics that described building a crystal radio. The inductor was wound on an oatmeal carton. The tuning cap was made from the foil from a pack of Luckies.

A coil of wire will work just fine. I can't give the several sites, but coil winding formulas are available online.

#### scubasteve_911

Joined Dec 27, 2007
1,203
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#### Bernard

Joined Aug 7, 2008
5,285
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#### Dolph

Joined Nov 26, 2013
1
Resonance is a (reflection) back onto itself, a tuned oscillation, a Pumped wave, as a Laser is reflected inward back onto itself,by a shiny mirrored surface, to create spontaneous emission, this laser energy must be held for a time, called pinning the charge,Capacitors seperate and pin charges momentarily, for Pico/Nano/? seconds, this amplifies the energy until the laser end mirrors are overcome by the greater energy.So it is a reflection back onto itself,but a tuned frequency.Which must be combined with an addition to the currents frequency, of 1/4 wave, to make up for those losses,so say 60Hz +15Hz=75 Hz. So you must reflect back on to itself,but not with destructive Harmonics,but tuned harmonics of the exact same frequency so they amplify, they add to the Fundamental frequencies energy, in Tune exactly,with the (exact same frequency) because only an exact frequency will work.So use a wave guide tuned to your frequency you want,use a shiny reflective mirrored surface inside the waveguide, to reflect your frequency/energy back onto itself inside of this tuned waveguide, then to your device/circuit?. Pin the charge, with Maxwell Ultra Capacitors,(UC's) establish a sustained resonance,by adding to the currents frequency 1/4 wavelength.You are basically causing a cascading/tunneling beam, of electrons.(This is what you want to create energy correct?), work with this until you discover this sustained condition. Dolph

#### WBahn

Joined Mar 31, 2012
24,853