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It acts as a switch in thermostats because it starts curved and when it cools down enough for it to straighten up it touches another piece of metal, completing a circuit before bending again due to the heat.

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Q: How does a bimetallic strip act as a switch?
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Related questions

What is the principel of bimetallic strip?

A bimetallic strip is made from two combined metal strips that have different rates of expansion when heated. This causes the strip to bend and so close or open an electrical contact switch.


What happens when bimetallic strip is heated?

The bimetallic strip bends.


What is bimetallic strip made of?

A bimetallic strip is made out of steel and iron


What is a bimetallic strip and where can it be used?

A bimetallic strip is a strip with two metals bonded together. It can be found in thermostats


Which two metals are used in bimetallic strip?

A bimetallic strip is made out of copper and steel.


What is the Operating principle of a bimetallic strip?

A bimetallic strip is used to convert a temperature change into mechanical displacement.


How do you make a circuit using bimetallic strip?

The bimetallic strip is made of two different metals, bonded together. The two metals have different temperature expansion coefficients, so when the bonded assembly is heated or cooled, it curves one way or the other, allowing a switch to be opened or closed.


How can a bimetallic strip be used to regulate temperature?

A bimetallic strip is two different metals glued together. When the temperature changes each metal expands (or contracts) but by different amounts, so the strip as a whole ends up bending. This bending property can be used to turn on (or off) a heater switch.


Many thermostats use m strip?

Bimetallic strip


What is principel of biametallic strip?

A bimetallic strip is made from two combined metal strips that have different rates of expansion when heated. This causes the strip to bend and so close or open an electrical contact switch.


What is the principel of biametallic strip?

A bimetallic strip is made from two combined metal strips that have different rates of expansion when heated. This causes the strip to bend and so close or open an electrical contact switch.


Can anyone explain the use of a bimetallic strip in heat regulation in an electric iron?

When the temperature of the iron increases, the bimetallic strip bends upwards. This breaks the contact between the strip and the heating coil. When the temperature falls, the bimetallic strip bends down and the contact is restored.