When a bimetallic strip is heated, it

Question

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

Tardigrade Admin · Accepted Answer

A bimetallic strip on being heated bends in the form of an arc with more expandable metal (A) outside (as shown) <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/0550fb3e8882e70dcbcfd07ebee1b9d6-.png" />

Q. 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

A bimetallic strip on being heated bends in the form of an arc with more expandable metal $(A)$ outside (as shown)