Question

which of the following object contains a magnet

options: a) torch b) radio

c) wooden stick d) watch​

Answer 1

Answer:

its radio

Explanation:

Every amplifier (speaker) has an electrical current. When the current is changing, it produces a magnetic field. To make the cone (or panel) of the speaker move, magnets are used to create an opposing magnetic field which creates vibrations. ... The larger the magnet, the louder the speaker.