Because of the high voltages found in a Charge & Primary sections it seems natural to look for cable with high voltage ratings, such as neon sign cable, medical X-ray equipment cable & car engine spark plug leads. The first two would be fine for connecting the NST to the spark gap but the spark plug leads are useless (too high a resistance). Howev
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er, you don`t need to spend lots of money on fancy HV cable because all sorts of ordinary wire would work too. All you need to do is think about insulation. For a circuit to work you need wires to conduct the electricity between the components. A bare piece of wire will do this perfectly but you now have the problem of wires accidentally touching and shorting out. Depending on the voltage being used you may also have the added risk of electrocution! Insulation is used to solve both these problems but for high voltages, like in a Tesla Coil, the cost of suitably insulated cable is high. The solution is to use ordinary low voltage cable, or bare wire, and use air as your insulatior (just like the big boys do with the National Power Grid!). All you need to do is to secure the wires in such a way that they cannot short against anything conductive and are at a safe distance from operator`s hands. All conductors, except for `superconductors`, resist the flow of current through them. The value of this resistance is determined by the material used for the conductor and by its size. As the cross-sectional area `a` gets smaller, or the length of the wire `l` gets longer, the resistance `R` increases. The higher the resistance the more electrical energy is used just in fighting against it. This causes power to be lost in the form of heat. Example: The heating element in an electric kettle uses wire with a high resistance to generate...
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of....
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is....
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to....
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This....
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the....
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,....
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power....
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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