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This is not a fixed value, as it depends on the medium and magnetic field strength in which the explosion happens as well as the yield.
In the lower atmosphere (where the air is nonconductive, except right around the device where it ionized the air itself) this radius may be well under the blast effect radius.
In the ionosphere (where the air is already ionized) this radius could be in the hundreds or thousands of miles.
Above the atmosphere (in the vacuum of space) this radius is zero (regardless of yield).
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What kind of electro-magnetic pulse -EMP- weapons are there?
Nuclear weapons, when detonated at high altitude, will produce a significant EMP capable of damaging unshielded electrical components. There has been discussion of NNMP weapons (non nuclear magnetic pulse) but that information is classified. Please see the link below for some general information on EMP.
Will an EMP ruin batteries?
No and it won't damage electromechanical or vacuum tube based equipment. What it will ruin it solidstate electronics. So an old car with points and a distributer will work just fine after an EMP, but all modern cars with electronic ignition and computers will be dead.
Does an EMP effect magnets?
Absolutely. Initially, the effect would be physical force (any magnetic field pushes on an electric or magnetic charge it comes in contact with). If the pulses are just the right frequency and just the right pulse modulation, it could possibly demagnetize the magnet, or even make it stronger, but it would have to be a rather large set of pulses to have that kind of effect. More likely the magnet would shake a little, which could very likely cause physical stress on whatever it is attached to, like a motor housing.
Do supernovas emit electromagnetic pulses?
Yes and no. For a nuclear explosion to produce an EMP of enough strength to do damage beyond the range of the blast, thermal flash, prompt radiation, etc. it must occur in the ionosphere, where it can push large amounts of ionized gas large distances through the earth's magnetic field, causing an induced current of billions of amperes in that gas. This EMP can affect an area 1000 miles or more in radius around surface zero. It has been calculated that 3 properly placed nuclear explosions of the right yield in the ionosphere over the continental US would kill the entire US power grid and all solidstate electronics. Ordinary air or surface bursts do not produce enough EMP for it to even be included in nuclear effects calculations.
What is radiation protection?
Radiation Electromagnetic Pulse (EMP) protection refers to measures taken to safeguard electronic devices and systems from the damaging effects of EMPs. EMPs are short bursts of electromagnetic energy that can be caused by various sources, such as nuclear explosions, solar flares, or intentional man-made devices. EMP protection aims to prevent or minimize the disruption or destruction of sensitive electronic equipment caused by the intense electromagnetic fields generated by an EMP event. Here are a few common methods used for EMP protection: Faraday Cages: A Faraday cage is an enclosure made of conductive material, such as metal, that can block external electromagnetic fields. When properly designed and constructed, a Faraday cage can shield electronic devices within it from the effects of an EMP by redirecting the electromagnetic energy around the cage, rather than allowing it to penetrate inside. Shielding and Grounding: Shielding involves using conductive materials, such as metal foils or screens, to enclose electronic devices or systems, blocking the electromagnetic energy from reaching them. Additionally, grounding refers to connecting the shielding material to a grounding system, allowing the excess energy to be safely discharged into the ground. Surge Protectors and Filters: Surge protectors and filters are designed to limit the voltage spikes and high-frequency noise that can be induced by an EMP. These devices are typically installed at the point of entry for power and communication lines to prevent the harmful effects of EMPs from reaching sensitive equipment. Redundancy and Backup Systems: Another approach to EMP protection involves implementing redundancy and backup systems. By having duplicate electronic systems or critical components, if one set is damaged by an EMP, the backup system can be activated, ensuring the continuity of essential functions. It's important to note that the level of protection required depends on the specific threat scenario and the criticality of the equipment. Military and government installations often employ more sophisticated and extensive EMP protection measures due to their higher vulnerability and importance. My Recommendations - ʰᵗᵗᵖˢ://ʷʷʷ.ᵈⁱᵍⁱˢᵗᵒʳᵉ²⁴.ᶜᵒᵐ/ʳᵉᵈⁱʳ/⁴⁶⁶⁴⁹⁶/ʸᵘᵍᵃⁿᵉˢʰᵃⁿ/
How does an EMP device effect pacemakers?
How does an Electro magnetic pulse device effect pacemakers
Are household electronics such as computers hurt by EMP if not plugged in?
If no currents are flowing (if the device is off) then EMP will have no effect ... unless its so strong that it causes physical destruction of objects - which would include people.
Who invented e-bomb?
There is technically no such thing as an "E-Bomb." E-bomb refers to the use of a thermonuclear device detonated in the upper atmosphere for the specific purpose of triggering an electromagnetic pulse (EMP) that will short circuit all solid state circuitry that is not properly shielded. The EMP effect was first predicted by Enrico Fermi and was recorded in the first Trinity detonation in July 1945. With Starfish Prime, July 1962, the third in the series of tests of Operation Fishbowl, the US detonation of a 1.44 megaton device 250 miles above the mid-Pacific determined the full effects of EMP. Effects of the pulse were felt in Hawaii, just under a thousand miles away. To name a single inventor of EMP is not possible. No one "invented" it. EMP was discovered however by the scientists and engineers of the Manhattan Project. the predictions of Fermi did lead the designers of the test in Alamogordo to properly shield there electronic testing equipment though.
What is the blast and EMP radius of a 20KT nuclear warhead detonated at surface level?
It really depends on the terrain surrounding the blast and the altitude of the blast. EMP would be negligible, as those effects are only seen during very high altitude detonations (in space or upper atmosphere, for instance). I'd have to say a safe answer of one to two miles if you're including overpressure capable of damaging a building or less as a general rule for a weapon of this yield. According to my circular slide rule nuclear weapons effects calculator, the blast damage radius (defined as 1 PSI maximum overpressure) for a 20KT surface burst is 2 miles, assuming level terrain. It would leave a crater in soil 0.0145 miles (25.52 yards) deep and 0.06 miles (105.6 yards) radius at the lip, or in rock/concrete 0.012 miles (21.12 yards) deep and 0.05 miles (88 yards) radius at the lip.
Who would win transformers or Iron Man?
It would be definitely transformers as seen in the movies, Decepticons have EMP burst weapons which can fry all electronic equipment with a radius of several kilometers, and to be noted this EMP burst doesn't effect Transformers themselves (neither Decepticons nor Autobots), thus after an EMP attack Ironman suits will be useless in middle of war and he can't call backup for another suit as all ways of communication are already lost so he is just a normal human against a mechanized Robot.. whom do u think will win.. its definitely Transformers :)
Electromagnetic pulse is one of the effects caused by nuclear attack?
EMP is only a significant effect if the bomb is detonated in the ionosphere.
When was EMP Museum created?
EMP Museum was created in 2000.
What is the population of EMP Merchandising?
The population of EMP Merchandising is 2,007.
When was EMP Merchandising created?
EMP Merchandising was created in 1986.
Is a EMP and a nuke the same thing?
EMP is caused by nuclear weapons.
In Lego battles what does EMP do?
EMP just Freezes and hurts opponents
How can you protect your laptop from an emp without preventing you from using it?
You cannot protect anything from EMP.
