Question

Magnetic recording tape is most commonly made from

Answer 1

It is made of a thin magnetizable coating on a long narrow strip of plastic film.

Answer 2

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.