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An old fashioned CRT TV or Monitor (one of the ones that are almost as deep as they are wide) One that you are not overly attached to as there is a possibility this may permanently damage the picture. A magnet, the stronger the better the effect. Instructions Turn on the TV or monitor and tune it into a picture.
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The exhibition Electronic Art at the Galeria Bonino and an exhibition at the New School For Social Research, New York, that featured both the Demagnetizer Life Ring (1965) and Magnet TV (1965), a 17-inch black-and-white television set with magnet, 72.1 x 48.9 x 62.2 cm overall, Whitney Museum of American Art, New York, acc. no. 86.60a-b, in a.
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The short answer to the question is yes, a strong magnet can definitely ruin a CRT TV in a potentially terminal way. The same goes for old computer monitors using the same technology. But should you wish to try it on an old TV, then you can make pretty colours dance across your screen.
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Several reasons but generally, a magnetic field from a magnet or magnetized object near the front of the CRT can introduce a permanent magnetic field in the phosphor coating on the back side of the screen that actually forms the picture you see. It's just like when you rub a magnet on the tip of a screwdriver and make the screwdriver tip.
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Yes, magnets can cause permanent damage to a CRT TV screen but are not harmful to LCD or LED TV screens. The intensity of the damage a magnet causes depends on its strength and the duration of exposure. When a magnet misdirects the electrons from the electron gun, they may fall onto the wrong pixels, resulting in visual distortion.
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Writer Bio. Cathode ray tube (CRT) TVs employ different technology from liquid crystal display (LCD) and plasma TVs. In fact, it is the presence of a CRT -- a funnel-shaped glass tube -- that gives CRT TVs their characteristic depth and weight. Essentially, CRT TVs work by bombarding a phosphor coating on the inside of the screen.
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The two permanent magnets shown are handy for depicting the principle of electromagnetic deflection; in real CRTs, however, two pair of electromagnetic coils are used to bend beams of electrons; the angles of deflection are altered by varying the strengths of the coils, rather than physically moving them.. This CRT demonstrates a black and white television image.
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by Ivory | Nov 11, 2022 | Electromagnetism | 0 comments If you have a TV with a digital tuner, you can put magnets on the TV. The magnets won't damage the TV, but they may interfere with the picture. If you have an analog TV, you should not put magnets on the TV. The magnets can damage the TV.
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Giant Neodymium Magnet vs. CRT TV DiodeGoneWild 212K subscribers Subscribe 3.8K 404K views 6 years ago This is what happens if you put a giant neodymium magnet close to a CRT TV or.
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The earth's magnetic field will magnetize the shadow mask as well and if the TV is moved you get the same bloom. The design of the CRT is such that there is a degaussing coil around the face of the the CRT which applies an alternating, exponentially diminishing magnetic field to remove the bloom.
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level 2. Op · 5 mo. ago. It is probably because is is a small tube and a powerful magnet. It would hve to be like a 15 in tube and a opkish magnet to do thay. 2. level 1. · 5 mo. ago. Woah, that CRT is so cool! 1.
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#1 Was I aware of the catastrophic things that would happen if I placed a magnet next to a CRT screen? Of course not. But as a kid for any number of random reasons I ended up with a magnet in hand fascinated by all of the things it could stick to, including the 10-inch television in my room.
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When a magnet comes too close to a CRT TV picture, it can disrupt the magnetic fields within the television set. This can affect the use of the TV. This disturbance, caused by the strong magnet's magnetic field, causes the electron beam in the television to deviate from its intended path, resulting in distorted pictures on the screen.
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A cathode-ray tube ( CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a phosphorescent screen. [2]