• Bookmarks

    Bookmarks

  • Concepts

    Concepts

  • Activity

    Activity

  • Courses

    Courses


Electromagnetic forces are fundamental interactions that occur between charged particles, governed by the principles of electromagnetism, and are responsible for phenomena such as electricity, magnetism, and light. These forces are described by Maxwell's equations and are mediated by the exchange of photons, making them essential to understanding both classical and quantum physics.
Maxwell's equations are a set of four fundamental equations that describe how electric and magnetic fields interact and propagate through space. They form the foundation of classical electromagnetism, optics, and electric circuits, and are essential for understanding phenomena such as electromagnetic waves and light propagation.
The Lorentz Force is the force experienced by a charged particle moving through an electromagnetic field, combining the effects of both electric and magnetic fields. It is fundamental in electromagnetism and is described by the equation F = q(E + v × B), where F is the force, q is the charge, E is the electric field, v is the velocity, and B is the magnetic field.
An electromagnetic field is a physical field produced by electrically charged objects, which affects the behavior of charged objects in its vicinity. It is fundamental to the operation of many technologies and underlies the principles of electromagnetism, one of the four fundamental forces of nature.
Concept
Photons are the fundamental particles of light and electromagnetic radiation, possessing both wave-like and particle-like properties, which allows them to exhibit phenomena such as interference and diffraction. They are massless, travel at the speed of light, and are responsible for mediating electromagnetic forces between charged particles.
Electric charge is a fundamental property of matter that causes it to experience a force when placed in an electromagnetic field. It is quantized, comes in two types (positive and negative), and is conserved in isolated systems, playing a crucial role in electromagnetic interactions.
Concept
Magnetism is a fundamental force of nature that arises from the motion of electric charges, resulting in attractive or repulsive forces between objects. It plays a crucial role in various technologies and natural phenomena, from electric motors and generators to Earth's magnetic field and animal navigation.
The electromagnetic spectrum encompasses all types of electromagnetic radiation, ranging from radio waves to gamma rays, each characterized by different wavelengths and frequencies. Understanding this spectrum is crucial for various applications including communication, medical imaging, and understanding the universe's fundamental processes.
Quantum Electrodynamics (QED) is a quantum field theory that describes how light and matter interact, accounting for electromagnetic forces at the quantum level. It is the first theory where full agreement between quantum mechanics and special relativity is achieved, providing accurate predictions of phenomena such as the anomalous magnetic moment of the electron and the Lamb shift.
Faraday's Law of Induction states that a change in magnetic flux through a closed loop induces an electromotive force (EMF) in the loop. This principle is fundamental in understanding how electric generators, transformers, and inductors operate by converting mechanical energy into electrical energy and vice versa.
Beam-beam interaction refers to the electromagnetic forces between charged particle beams in a collider, significantly affecting their dynamics and performance. Understanding and managing these interactions are crucial for optimizing luminosity and stability in high-energy physics experiments.
Concept
Braking is the process of reducing the speed of a moving vehicle or object, typically using friction or electromagnetic forces to dissipate kinetic energy. Effective braking systems are crucial for safety and efficiency, requiring a balance between stopping power, heat dissipation, and material durability.
3