February 22, 2017

Homework Help: physics

Posted by tom on Monday, October 10, 2011 at 8:45pm.

A piece of copper is made into a rod with a square cross-section. The side of the square is 2.00 centimeters. The resistivity of copper is 1.7 \cdot 10^{-8} \Omega\cdot {\rm m}. An unknown electric field E, directed along the rod, creates a current of 12.0 amperes through the rod. Find the magnitude of E.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions