when are magnetic tapes used and how?
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Magnetic tape is a long and narrow strip of plastic that thin magnetic material is coated on. Nearly all recording tape is of this type, whether used for recording audio or video or computer data storage. Magnetic tape recording uses magnetic tape which moves on a recording head
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Answer: ferric oxide Fe2O3
Magnetic tape is a thin strip of plastic, coated on one side with a film of tiny permanent magnets. Each of these permanent magnets has a north magnetic pole at one end and a south magnetic pole at the other. During recording, a strong magnetic field can swap the poles of these particles, altering the tape in a way that can be detected during playback.
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