There is up to 30 times more gold in a tons of old mobile phones than in a tons of gold ore. true or false
1 answer:
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Explanation:
We know that the relation between volume and density is as follows.
Volume =
So, V =
=
Now, we will calculate the area as follows.
Area =
=
=
Formula to calculate the resistance is as follows.
R =
=
=
Thus, we can conclude that the resistance of given wire is .