Physics 43 Magnetic Forces on Moving Charges 2 of 26 Direction and Magnitude

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Explains how to do determine the direction of the force on a charged particle that is moving through a magnetic field. Due to the magnetic force the particle will travel on a circular path. This is how a mass spectrometer is used to determine the mass of a charged particle. • This force is known as the Lorentz Force. The right hand rule is used to determine the direction of the force. For positively charged particles. Use your right hand and point your thumb in the direction of the direction of the charges motion, point your fingers in in the direction of the magnetic field and the palm of your hand will point in the direction of the magnetic force. • For negatively charged particles use your left hand. • Electromagnetic induction is the production of an emf or voltage in a coil of wire due to a changing magnetic field through the coil. Michael Faraday is generally credited with its discovery in 1831. James Clerk Maxwell mathematically described it as Faraday's law of induction. Faraday's law states that an emf will be induced in a coil of wire when the magnetic flux through the coil of wire changes over time. Magnetic flux is calculated as the area of the coil (A) times the magnetic field strength (B). • Lenz's law describes the direction of the induced magnetic field. It states that the direction of the current induced in a coil by a changing magnetic field through the coil is such that the magnetic field created by the induced current opposes the initial changing magnetic field. • Share this video with the following link: • Electromagnetic Induction (1 of 15) E... • Social Media for Step by Step Science: • Teacher Pay Teachers Store: https://tinyurl.com/y6d2cdfj • Instagram: / stepbystepscience101 • Website: https://stepbystepscience.com • Blog: https://stepbystepscience.com/blog/ • Link Tree: https://linktr.ee/stepbystepscience • Support my YouTube channel by doing all of the following: • (1) Subscribe to my channel. Get all my excellent physics, chemistry math videos. • (2) Give this video a thumbs up. • (3) Leave me a nice positive comment for this video. • (4) Sharing is Caring. Sharing is this video with all of your friends

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