A tape-recorder records sound in the form of

Question

A tape-recorder records sound in the form of (A) variable resistance on the tape (B) magnetic energy (C) magnetic field on the tape (D) electrical energy

Tardigrade Admin · Accepted Answer

A tape is coated with ting magnetic particles. These particle get diamagnetised when electric signal passes through them. Therefore, records sound is produced in the form of magnetic field on tape.

Q. A tape-recorder records sound in the form of

variable resistance on the tape

magnetic energy

magnetic field on the tape

electrical energy

A tape is coated with ting magnetic particles. These particle get diamagnetised when electric signal passes through them. Therefore, records sound is produced in the form of magnetic field on tape.