Physics, asked by iushe, 1 year ago

can you make this answer short....... describe the working of an automatic fire alarm

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Answered by sain06533

2

Answer:

Explanation:

When the iron rod in fire alarm expands then the circuit inside it gets comleted.

A closed circuit is formed. That activates the alarm and makes a noise.

Answered by dhanrajborge007

1

Answer:

its given in the image ....

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