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  1. Electromagnetic pulse - Wikipedia

    According to Maxwell's equations, a pulse of electric energy will always be accompanied by a pulse of magnetic energy. In a typical pulse, either the electric or the magnetic form will dominate.

  2. Electromagnetic Pulse (EMP) - What You Need to Know

    Nov 15, 2023 · Get the essential information you need to prepare for a nuclear or solar EMP. Learn what an electromagnetic pulse is and how it affects you.

  3. Electromagnetic Pulse (EMP) / Geomagnetic Disturbance (GMD)

    Sep 30, 2025 · An electromagnetic pulse is a burst of electromagnetic energy produced by a nuclear explosion in the atmosphere, considered capable of widespread damage to power lines, …

  4. This pulse of energy, which produces a powerful electromagnetic field, particularly within the vicinity of the weapon burst, is called an electromagnetic pulse. EMP can also be produced from non-nuclear …

  5. Electromagnetic Pulse and Geomagnetic Disturbance - CISA

    High-altitude electromagnetic pulse attacks (HEMP) using nuclear weapons are of most concern because they may permanently damage or disable large sections of the national electric grid and …

  6. What Is the Electromagnetic Pulse and How Does It Work?

    An electromagnetic pulse, commonly known as an EMP, represents a sudden and intense burst of electromagnetic energy. This transient disturbance can arise from various sources, both natural and …

  7. What Is an EMP (ElectroMagnetic Pulse)? - Computer Hope

    Dec 23, 2025 · An EMP (Electromagnetic Pulse) is a burst of electromagnetic radiation that occurs naturally or is human-made. EMPs can disrupt electronic devices, ranging from computers to power …

  8. Nuclear electromagnetic pulse (EMP) | Britannica

    Oct 31, 2025 · nuclear electromagnetic pulse (EMP), a time-varying electromagnetic radiation resulting from a nuclear explosion.

  9. ELECTROMAGNETIC PULSE Definition & Meaning - Merriam-Webster

    The meaning of ELECTROMAGNETIC PULSE is a pulse of high-intensity electromagnetic radiation generated especially by a nuclear blast high above the earth's surface and held to disrupt electronic …

  10. How does an electromagnetic pulse (EMP) work? - Electricity

    May 22, 2023 · An Electromagnetic Pulse (EMP) is a powerful burst of electromagnetic energy capable of causing substantial disruption or destruction to electronic devices and systems.