Which of the following is used in a fire alar | vedclass

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Question

(C) fire alarm system typically utilizes an electric bell as an output device to produce a loud sound when a fire is detected. The electric bell opera

Vedclass · Accepted Answer

Electric bell

Vedclass · Answer

(C) fire alarm system typically utilizes an electric bell as an output device to produce a loud sound when a fire is detected. The electric bell operates on the principle of the magnetic effect of electric current. When the circuit is closed by a sensor (like a heat or smoke detector),current flows through the electromagnet,which attracts the hammer to strike the gong,creating a continuous alarm sound.

Which of the following is used in a fire alarm?

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