When a bimetallic strip is heated, it
When a bimetallic strip is heated, it
- [AIPMT 1990]
- 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
Similar Questions
A rail track made of steel having length $10\,m$ is clamped on a railway line at its two ends as shown in figure. On a summer day due to rise in temperature by $20\,^oC$ , it is deformed as shown in figure. Find $x$ (displacement of the centre) if $\alpha _{steel} = 1.2 \times 10^{-5} \,^oC^{-1}$
A rail track made of steel having length $10\,m$ is clamped on a railway line at its two ends as shown in figure. On a summer day due to rise in temperature by $20\,^oC$ , it is deformed as shown in figure. Find $x$ (displacement of the centre) if $\alpha _{steel} = 1.2 \times 10^{-5} \,^oC^{-1}$
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