When a bimetallic strip is heated, it...

When a bimetallic strip is heated, it

Does not bend at all

Gets twisted in the form of an helix

Bend in the form of an arc with the more expandable metal outside

Bends in the form of an arc with the more expandable metal inside

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The correct Answer is:

A bimetallic strip on being heated bends in hte form of an arc with more expandable metal `(A)` outside (as shown) correct.

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