MCQ
When a bimetallic strip is heated, it
- ADoes not bend at all
- BGets twisted in the form of an helix
- ✓Bend in the form of an arc with the more expandable metal outside
- DBends in the form of an arc with the more expandable metal inside
✓
Answer
Correct option: C.
Bend in the form of an arc with the more expandable metal outside
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