Enesrt louis
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PHY 102 PLUS AND PDFS
Physics: Magnetism and Electricity Magnetism: - Definition: The force exerted by a magnet on other magnets, electric currents, and moving charges. - Types: - Permanent magnets: Magnets that retain their magnetism even after the removal of the external magnetic field. - Electromagnets: Magnets produced by electric currents flowing through a coil of wire. - Properties: - Magnets have two poles: north pole and south pole. - Like poles repel each other, while unlike poles attract each other. - Magnetic field lines flow from north pole to south pole. - Examples: - Bar magnets, horseshoe magnets, electromagnets, Earth's magnetic field. - Formulas: - Magnetic force: F = qvBsinθ, where q is the charge of the moving particle, v is its velocity, B is the magnetic field strength, and θ is the angle between v and B. - Magnetic flux: Φ = BAcosθ, where B is the magnetic field strength, A is the area of the surface perpendicular to the magnetic field, and θ is the angle between B and the normal to the surface.
By Enesrt louisabout a year ago in Poets
