Q. When a bimetallic strip is heated, it
A) Does not bend at all
B) Gets twisted in the from of an helix
C) Bend in the form of an arc with the more expandable metal outside
D) Bends in the form of an arc with the more expandable metal inside
Explanation
(c) A bimetallic strip on being heated bends in from of an arc with more expandable metal $(A)$ outside (as shown)
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.