When a length of copper or nichrome is heated, it lengthens due to thermal expansion. The wire is suspended between two posts and heated by a variac. A small weighted hook is placed in the middle of ...
9don MSN
Most metals expand when their temperature rises. The Eiffel Tower, for example, is about 10 to 15 centimeters taller in ...
The Eiffel Tower, for example, is around 10 to 15 centimetres taller in summer than in winter due to its thermal expansion. However, this effect is extremely undesirable for many technical ...
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