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What happens when bimetallic strip is heated?
The bimetallic strip bends.
Does the bimetallic strip bend when heated?
yes
Why dies a bimetallic strip when it is heated?
A bimetallic strip bends when heated because the two metals it is made of have different coefficients of thermal expansion. As the strip is heated, one metal expands more than the other, causing the strip to curve.
What uses bimetallic strip?
Appliances like electric iron, which need a cut off from the electric current from time to time as the appliance is heated adequately, use bimetallic strip for this.
What is a bimetallic strip and where can it be used?
A bimetallic strip is made of two different metals bonded together, which have different coefficients of thermal expansion. This causes the strip to bend when heated or cooled. Bimetallic strips are often used in thermostats, temperature switches, and circuit breakers to control temperature-sensitive mechanisms.
Why are bimetallic strips used in thermostats?
The two metals chosen for the bimetallic strip have different modulii of thermal expansion, The bimetallic strip bends as the temperature changes and so the strip can be used to activate relays or other electronic switches and so work as a thermostat.
How do bimetallic thermometer work?
Bimetallic thermometers work based on the principle that two different metals expand at different rates when heated. A bimetallic strip is made by bonding two different metals with different thermal expansion coefficients together. When the temperature changes, the strip bends due to the uneven expansion of the two metals, which is then measured to indicate the temperature.
What is a bimetic strip?
A bi-metal strip is a bimetallic strip that is used to convert temperature changes into mechanical movement. It consists of two metals that expand by different amounts when the temperature changes, so it will bend when heated.
Which two metals are used in bimetallic strip?
Commonly, brass and steel are used in a bimetallic strip. This combination allows the strip to bend or warp when subjected to temperature changes due to the different thermal expansion coefficients of the two metals.
Why does the bimetallic bend when heated?
A bimetallic strip is made up of two different metals joined together. When the strip is heated, the two metals expand at different rates due to their different coefficients of thermal expansion. This difference causes one side of the strip to expand more than the other, leading to bending or curving of the strip.
What side does a bimetallic strip expand the most?
The side with the metal that expands more quickly when heated will cause the bimetallic strip to bend towards the opposite side as it tries to accommodate the unequal expansion rates.
What is bimetallic strip made of?
A bimetallic strip is typically made of two different metals fused together, such as brass and steel or copper and iron. These metals have different coefficients of thermal expansion, causing the strip to bend when exposed to temperature changes.
