Recent content by gangnamstyle

This is how I answered : The tree has a smaller area. From the equation ( R=pl/A ), when A is small, resistance is higher because they're indirectly propotional to each other. From equation ( V= IR ), when R increases, p.d. increases. Not sure whether correct or not. Otherwise, how would...

Homework Statement If lightning strikes a tree such that there is the same current through it as there was through the lightning conductor, then a much larger potential difference exists between top and bottom of the tree. Explain why this is so. The Attempt at a Solution Is this...