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A bimetallic strip consists of two metal strips fastened together. Metals are chosen that expand at different rates when the strips get hot. When one strip gets longer than the other, the combination has to bend. These strips are often used in thermostats in houses to control the house temperature. When the strip is cold, it bends one way, and as it gets hotter it bends the other way. You can build the strip into a control box so that when it is cold, it closes an electric circuit and turns on the heat. When it gets a bit warmer, it will bend away from the contact point and open the circuit, turning off the heat. It will sit there all day and night turning on the heat when it gets a little cold and turning it off again when it is warmer.
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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 way does a bimetallic strip bend with iron and brass?
When heated, a bimetallic strip made of iron and brass will bend towards the brass side due to the different coefficients of thermal expansion of the two metals. This is because brass expands more than iron when heated, causing the strip to curve towards the side with greater expansion.
Why the bimetallic strip bent with the heat?
A bimetallic strip is composed of two different metals with different coefficients of thermal expansion. When heated, the two metals expand at different rates, causing the strip to bend. The side with higher expansion will curve outward due to the lengthening of that metal compared to the other side.
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 does a bio-metallic strip curve when it is heated?
The two different metals welded together to make the strip have unequal rates of expansion when heated. The metal that expands furthest will force the lesser expanding metal to curve over and either make or break an electrical connection.
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 happens when bimetallic strip is heated?
The bimetallic strip bends.
Why is a bimetallic strip curve when it is heated or cooled?
Because the two metals have different coefficient of linear expansion
Does the bimetallic strip bend when heated?
yes
What way does a bimetallic strip bend with iron and brass?
When heated, a bimetallic strip made of iron and brass will bend towards the brass side due to the different coefficients of thermal expansion of the two metals. This is because brass expands more than iron when heated, causing the strip to curve towards the side with greater expansion.
What changes takes place when bimetallic strip is heated?
actually what happen is that the strip is curved to the outside
Why bimetallic strip bend in curve instead of showing linear expansion on heating?
If one metal expands or contracts at a different rate than the other, and they are bonded together, as they are in a bimetallic strip, a curve is inevitable - it physically has to happen, if you think about it.
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.
Why the bimetallic strip bent with the heat?
A bimetallic strip is composed of two different metals with different coefficients of thermal expansion. When heated, the two metals expand at different rates, causing the strip to bend. The side with higher expansion will curve outward due to the lengthening of that metal compared to the other side.
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 does a bio-metallic strip curve when it is heated?
The two different metals welded together to make the strip have unequal rates of expansion when heated. The metal that expands furthest will force the lesser expanding metal to curve over and either make or break an electrical connection.
Which direction does a bimetallic strip bend when cooled?
A bimetallic strip bends towards the side of the metal with higher coefficient of thermal expansion when cooled. This is because the metal with the higher coefficient of thermal expansion contracts more when cooled, causing the bimetallic strip to curve towards that side.
