Question

Sound is produced in an electric bell, when:

• A. the striker hits the gong
• B. the electromagnet is switched on
• C. the striker moves away from the gong
• D. none of the above

Answer 1

The correct option is A

the striker hits the gong

Sound is produced in an electric bell when the striker strikes the gong. The gong is set into vibration due to periodic strike and thus produces sound.