Audio and video recorders alike operate on the principle of storing electronic signals by producing variations in the strength of a magnetic field and storing these signals by ____ the red oxide particles deposited along the length of the tape.
A)reducing
B)vibrating
C)magnetizing
D)collecting

Question

Quizplus · Accepted Answer

The sentence mentions producing variations in the strength of a magnetic field and storing these signals, which are processes involved in magnetizing the red oxide particles deposited on the tape. Therefore, the best choice is C, magnetizing.

Audio and Video Recorders Alike Operate on the Principle of Storing