The resistivity of gold is 2.44 × 10-8 Ω · m at room temperature. A gold wire that is 1.8 mm in diameter and 11 cm long carries
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<span>Density
In fact, the density of an object is the ratio between its mass m and its volume V:
</span>
<span>if the size of the object changes, its volume V changes as well, therefore the density d must change.</span>
<span>Density
In fact, the density of an object is the ratio between its mass m and its volume V:
</span>
<span>if the size of the object changes, its volume V changes as well, therefore the density d must change.</span>