Question
A bimetallic strip is made of aluminum and steel (αₐₗᵤₘᵢₙᵢᵤₘ > αₛₜₑₑₗ) . On heating, the strip will
Options :
remain straight
get twisted
will bend with aluminum on concave side
will bend with steel on concave side
Answer :
will bend with steel on concave side
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