Question
Question: When a bimetallic strip is heated, it...
When a bimetallic strip is heated, it
A
Does not bend at all
B
Gets twisted in the form 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
Answer
Bend in the form of an arc with the more expandable metal outside
Explanation
Solution
A bimetallic strip on being heated bends in the form of an arc with more expandable metal (1) outside (as shown) correct.
