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How electromagnetic induction works!
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Electrostatic Paint Sprayer
At the tip of the paint sprayer is a small electrode, which creates high voltage electricity. As the paint particles travel at a slow speed through this corona of electricity, they become negatively charged. The paint surface is the grounded, positively charged surface, which has a magnetic attraction to the negatively charged paint. As you spray the paint, the paint overspray may initially travel off in a different direction, but will turn back to the positively charged object and stick to it
Telivision
Electrons are negative. The anode is positive, so it attracts the electrons pouring off the cathode. In a TV's cathode ray tube, the stream of electrons is focused by a focusing anode into a tight beam and then accelerated by an accelerating anode. This tight, high-speed beam of electrons flies through the vacuum in the tube and hits the flat screen at the other end of the tube. This screen is coated with phosphor, which glows when struck by the beam.
Electromagnetic induction torch
The electromagnetic induction torch is designed to never need new batteries or a new bulb, this is accomplished by the use of kinetic energy which is converted into electric energy by the use of electromagnetic induction. By using a metal core that passes frequently though a copper coil which creates a current. In order for the energy taken in to last long enough for the user, a low energy bulb is used. Making the torch a handy and always working source for light for use in a home, camping, hiking or just walking around in the dark.