Science, asked by bgirlyfan, 1 month ago

Collect information about metallic strips and

write down how the fire alarm is made using metallic
strips.​

Answers

Answered by ysraopatrudu
2

Answer:

The bimetallic strip in a fire alarm is made of two metals with different expansion rates bonded together to form one piece of metal. ... When the strip touches that contact, it completes a circuit that triggers the alarm to sound.

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