Explore BrainMass

Resistance and Ohm's Law: How long is the copper wire the current is flowing through?

A current of 0.76 A flows through a copper wire 0.44 mm in diameter when it is connected to a potential difference of 15 V. How long is the wire?

Solution Preview

The resistance of a wire is found to be proportional to the length of the wire and inversely proportional to its ...

Solution Summary

The methodlogy to solve the problem is explained in good detail.