A bimetallic strip of thickness $$2cm$$ consists of zinc and silver riveted together. The approximate radius of curvature of the strip when heated through $$500C$$ will $$be(given$$ α$$1$$,α$$2$$ are coefficients of linear expansion of $$zinc=32$$×$$10$$−$$6/C$$ $$0$$ and $$silver=19$$×$$10$$−$$6/C$$ $$0)$$

Question

A bimetallic strip of thickness $$2cm$$ consists of zinc and silver riveted together. The approximate radius of curvature of the strip when heated through  $$500C$$ will $$be(given$$ α$$1$$,α$$2$$ are coefficients of linear expansion of $$zinc=32$$×$$10$$−$$6/C$$  $$0$$ and $$silver=19$$×$$10$$−$$6/C$$  $$0)$$

Infinity Learn · Accepted Answer

radius of curvature of a bimetallic strip when its temperature is changed through Δt is $$R=d$$α$$1$$~α$$2$$Δtmeter here d is strip $$width=2$$×$$10$$−$$2m$$; α$$1$$,α$$2$$ are coefficients of linear expansion of $$zinc=32$$×$$10$$−$$6/C$$  $$0$$ and $$silver=19$$×$$10$$−$$6/C$$  $$0$$; $$R=2$$×$$10$$−$$232$$×$$10$$−$$6$$−$$19$$×$$10$$−$$650$$ $$R=2$$×$$10$$−$$213$$×$$10$$−$$6$$×$$50$$ $$R=265$$×$$103=30.769$$ $$R=30.77m$$

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A bimetallic strip of thickness 2cm consists of zinc and silver riveted together. The approximate radius of curvature of the strip when heated through 500C will be(given α1,α2 are coefficients of linear expansion of zinc=32×10−6/C 0 and silver=19×10−6/C 0)

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