Question

Which of the following is a characteristic of a buzzer?

• A. It has different mechanism from electric bell.
• B. It has higher frequency of collision of gong and hammer
• C. It uses only AC power supply
• D. None of the above

Answer 1

The correct option is B It has higher frequency of collision of gong and hammer

In a buzzer, the simplest sort of doorbell, an electromagnet is used to operate a self-interrupting circuit. You can see how this system works in the diagram below. Click and hold the doorbell button to see how the buzzer works. ... This breaks the doorbell circuit, which shuts off the electromagnet.characteristic of a buzzer It has higher frequency of collision of gong and hammer