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Tag Archives: Magnetism
Three Right Hand Rules of Electromagnetism – Magnetic Force
Teaching electricity and magnetism is complicated by the challenge that the magnetic forces are perpendicular to the motion of the particles and currents. This requires a three-dimensional perspective which can introduce a variable of a “wrong” direction. To prevent errors, … Continue reading
Unboxing a MONSTER | Extreme neodymium magnets
Posted in How are fields used to move electrical energy?, Unit 3, Videos
Tagged Magnetism
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Electromagnetic induction video
Posted in How are fields used to move electrical energy?, Unit 3, Videos
Tagged Ben Ryder, Induction, Magnetism
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DC Motors video
Posted in How are fields used to move electrical energy?, Unit 3, Videos
Tagged Ben Ryder, Magnetism, Motor
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Veritasium – Can Humans Sense Magnetic Fields?
Posted in How are fields used to move electrical energy?, Unit 3, Videos
Tagged Magnetism
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Magnetism & forces podcast
A look at the forces acting on current carrying wires & charged particles in magnetic fields. Download the notes. Download the video.
Magnetism podcast
Magnetism, Earth’s magnetic field, Magnetic fields, Drawing the magnetic fields, Strength of magnetic fields, Magnetic fields around wires, The right-hand grip rule, The solenoid. Download the notes. Download the videos.
Electromagnetic induction podcast
Voltage across a moving rod, Induced current – opposes changing flux, Magnetic flux, Lenz’s law, Induced EMF, EMF calculations, EMF vs flux graphs, AC generator (alternator) Download the notes. Download the video. Links: http://www.electronics-tutorials.ws/accircuits/sinusoidal-waveform.html http://www.walter-fendt.de/ph14e/generator_e.htm
DC Motor podcast
A look at the parts and rotation of a DC motor. Download the notes. Download the video.