Atoms are composed of three particles with an electric charge: electrons, protons and uncharged neutrons. Electrons have a negative charge, and protons have a positive charge. The negative charge of ...
Dot Physics on MSN
Physics tutorial: Finding the current to deflect a compass needle
Learn how to find the current needed to deflect a compass needle in this step-by-step physics tutorial! Explore the principles of magnetic fields, current-carrying wires, and the interaction with a ...
Dot Physics on MSN
Learn Python for physics lesson 1: Hello world and variables
Master the right-hand rule in physics with this easy-to-follow tutorial! In this video, we explain how to use the right-hand rule correctly to determine directions of magnetic fields, currents, and ...
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