Bimetallic Strip
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PHYSICS
Thermal Expansion
Bimetallic Strip
A simple metal strip bends to measure temperature without electricity or electronics
5 days ago
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Why does a bimetallic strip bend when heated?
Because both metals contract equally causing the strip to bend
Because the two metals expand at different rates causing the strip to curve
Because the metals chemically react to heat causing bending
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FordMotor
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PHYSICS
Thermodynamics
Bimetallic Strip
Bimetallic strips bend predictably with temperature changes to control thermostats
3 Feb 2026
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Why does a bimetallic strip bend when heated?
Because both metals contract equally causing the strip to bend.
Because the two metals expand at different rates causing the strip to curve.
Because the metals chemically react to heat causing deformation.
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