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प्रश्न
A bimetal strip is shown in the below diagram before heating. Draw a diagram to show how it bends on heating and on cooling.
आकृति
टिप्पणी लिखिए
उत्तर
The diagram is to show how the given strip bends and cools. Due to heating, the copper bends more than invar due to the high coefficient of linear expansion of copper.
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